diff options
| author | Eric Huss <eric@huss.org> | 2023-12-10 09:34:13 -0800 |
|---|---|---|
| committer | Eric Huss <eric@huss.org> | 2023-12-10 13:03:28 -0800 |
| commit | f481596ee4e761182f20eaf1b67d4431cd2d5556 (patch) | |
| tree | fc0ae7b828e7036216820f6426879bef446cc7b0 /compiler/rustc_feature | |
| parent | 7e452c123c5acea813130a9519b34f83795cb856 (diff) | |
| download | rust-f481596ee4e761182f20eaf1b67d4431cd2d5556.tar.gz rust-f481596ee4e761182f20eaf1b67d4431cd2d5556.zip | |
Remove edition umbrella features.
Diffstat (limited to 'compiler/rustc_feature')
| -rw-r--r-- | compiler/rustc_feature/src/accepted.rs | 325 | ||||
| -rw-r--r-- | compiler/rustc_feature/src/lib.rs | 3 | ||||
| -rw-r--r-- | compiler/rustc_feature/src/removed.rs | 145 | ||||
| -rw-r--r-- | compiler/rustc_feature/src/unstable.rs | 399 |
4 files changed, 433 insertions, 439 deletions
diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs index 94e79144593..4993112089a 100644 --- a/compiler/rustc_feature/src/accepted.rs +++ b/compiler/rustc_feature/src/accepted.rs @@ -5,7 +5,7 @@ use rustc_span::symbol::sym; macro_rules! declare_features { ($( - $(#[doc = $doc:tt])* (accepted, $feature:ident, $ver:expr, $issue:expr, None), + $(#[doc = $doc:tt])* (accepted, $feature:ident, $ver:expr, $issue:expr), )+) => { /// Formerly unstable features that have now been accepted (stabilized). pub const ACCEPTED_FEATURES: &[Feature] = &[ @@ -13,7 +13,6 @@ macro_rules! declare_features { name: sym::$feature, since: $ver, issue: to_nonzero($issue), - edition: None, }),+ ]; } @@ -27,10 +26,10 @@ declare_features! ( /// A temporary feature gate used to enable parser extensions needed /// to bootstrap fix for #5723. - (accepted, issue_5723_bootstrap, "1.0.0", None, None), + (accepted, issue_5723_bootstrap, "1.0.0", None), /// These are used to test this portion of the compiler, /// they don't actually mean anything. - (accepted, test_accepted_feature, "1.0.0", None, None), + (accepted, test_accepted_feature, "1.0.0", None), // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way. // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! @@ -44,338 +43,338 @@ declare_features! ( // ------------------------------------------------------------------------- /// Allows `#[target_feature(...)]` on aarch64 platforms - (accepted, aarch64_target_feature, "1.61.0", Some(44839), None), + (accepted, aarch64_target_feature, "1.61.0", Some(44839)), /// Allows using the `efiapi` ABI. - (accepted, abi_efiapi, "1.68.0", Some(65815), None), + (accepted, abi_efiapi, "1.68.0", Some(65815)), /// Allows the sysV64 ABI to be specified on all platforms /// instead of just the platforms on which it is the C ABI. - (accepted, abi_sysv64, "1.24.0", Some(36167), None), + (accepted, abi_sysv64, "1.24.0", Some(36167)), /// Allows using the `thiscall` ABI. - (accepted, abi_thiscall, "1.73.0", None, None), + (accepted, abi_thiscall, "1.73.0", None), /// Allows using ADX intrinsics from `core::arch::{x86, x86_64}`. - (accepted, adx_target_feature, "1.61.0", Some(44839), None), + (accepted, adx_target_feature, "1.61.0", Some(44839)), /// Allows explicit discriminants on non-unit enum variants. - (accepted, arbitrary_enum_discriminant, "1.66.0", Some(60553), None), + (accepted, arbitrary_enum_discriminant, "1.66.0", Some(60553)), /// Allows using `sym` operands in inline assembly. - (accepted, asm_sym, "1.66.0", Some(93333), None), + (accepted, asm_sym, "1.66.0", Some(93333)), /// Allows the definition of associated constants in `trait` or `impl` blocks. - (accepted, associated_consts, "1.20.0", Some(29646), None), + (accepted, associated_consts, "1.20.0", Some(29646)), /// Allows using associated `type`s in `trait`s. - (accepted, associated_types, "1.0.0", None, None), + (accepted, associated_types, "1.0.0", None), /// Allows free and inherent `async fn`s, `async` blocks, and `<expr>.await` expressions. - (accepted, async_await, "1.39.0", Some(50547), None), + (accepted, async_await, "1.39.0", Some(50547)), /// Allows async functions to be declared, implemented, and used in traits. - (accepted, async_fn_in_trait, "1.75.0", Some(91611), None), + (accepted, async_fn_in_trait, "1.75.0", Some(91611)), /// Allows all literals in attribute lists and values of key-value pairs. - (accepted, attr_literals, "1.30.0", Some(34981), None), + (accepted, attr_literals, "1.30.0", Some(34981)), /// Allows overloading augmented assignment operations like `a += b`. - (accepted, augmented_assignments, "1.8.0", Some(28235), None), + (accepted, augmented_assignments, "1.8.0", Some(28235)), /// Allows mixing bind-by-move in patterns and references to those identifiers in guards. - (accepted, bind_by_move_pattern_guards, "1.39.0", Some(15287), None), + (accepted, bind_by_move_pattern_guards, "1.39.0", Some(15287)), /// Allows bindings in the subpattern of a binding pattern. /// For example, you can write `x @ Some(y)`. - (accepted, bindings_after_at, "1.56.0", Some(65490), None), + (accepted, bindings_after_at, "1.56.0", Some(65490)), /// Allows empty structs and enum variants with braces. - (accepted, braced_empty_structs, "1.8.0", Some(29720), None), + (accepted, braced_empty_structs, "1.8.0", Some(29720)), /// Allows `c"foo"` literals. - (accepted, c_str_literals, "CURRENT_RUSTC_VERSION", Some(105723), None), + (accepted, c_str_literals, "CURRENT_RUSTC_VERSION", Some(105723)), /// Allows `#[cfg_attr(predicate, multiple, attributes, here)]`. - (accepted, cfg_attr_multi, "1.33.0", Some(54881), None), + (accepted, cfg_attr_multi, "1.33.0", Some(54881)), /// Allows the use of `#[cfg(doctest)]`, set when rustdoc is collecting doctests. - (accepted, cfg_doctest, "1.40.0", Some(62210), None), + (accepted, cfg_doctest, "1.40.0", Some(62210)), /// Enables `#[cfg(panic = "...")]` config key. - (accepted, cfg_panic, "1.60.0", Some(77443), None), + (accepted, cfg_panic, "1.60.0", Some(77443)), /// Allows `cfg(target_feature = "...")`. - (accepted, cfg_target_feature, "1.27.0", Some(29717), None), + (accepted, cfg_target_feature, "1.27.0", Some(29717)), /// Allows `cfg(target_vendor = "...")`. - (accepted, cfg_target_vendor, "1.33.0", Some(29718), None), + (accepted, cfg_target_vendor, "1.33.0", Some(29718)), /// Allows implementing `Clone` for closures where possible (RFC 2132). - (accepted, clone_closures, "1.26.0", Some(44490), None), + (accepted, clone_closures, "1.26.0", Some(44490)), /// Allows coercing non capturing closures to function pointers. - (accepted, closure_to_fn_coercion, "1.19.0", Some(39817), None), + (accepted, closure_to_fn_coercion, "1.19.0", Some(39817)), /// Allows using the CMPXCHG16B target feature. - (accepted, cmpxchg16b_target_feature, "1.69.0", Some(44839), None), + (accepted, cmpxchg16b_target_feature, "1.69.0", Some(44839)), /// Allows usage of the `compile_error!` macro. - (accepted, compile_error, "1.20.0", Some(40872), None), + (accepted, compile_error, "1.20.0", Some(40872)), /// Allows `impl Trait` in function return types. - (accepted, conservative_impl_trait, "1.26.0", Some(34511), None), + (accepted, conservative_impl_trait, "1.26.0", Some(34511)), /// Allows calling constructor functions in `const fn`. - (accepted, const_constructor, "1.40.0", Some(61456), None), + (accepted, const_constructor, "1.40.0", Some(61456)), /// Allows using and casting function pointers in a `const fn`. - (accepted, const_fn_fn_ptr_basics, "1.61.0", Some(57563), None), + (accepted, const_fn_fn_ptr_basics, "1.61.0", Some(57563)), /// Allows trait bounds in `const fn`. - (accepted, const_fn_trait_bound, "1.61.0", Some(93706), None), + (accepted, const_fn_trait_bound, "1.61.0", Some(93706)), /// Allows calling `transmute` in const fn - (accepted, const_fn_transmute, "1.56.0", Some(53605), None), + (accepted, const_fn_transmute, "1.56.0", Some(53605)), /// Allows accessing fields of unions inside `const` functions. - (accepted, const_fn_union, "1.56.0", Some(51909), None), + (accepted, const_fn_union, "1.56.0", Some(51909)), /// Allows unsizing coercions in `const fn`. - (accepted, const_fn_unsize, "1.54.0", Some(64992), None), + (accepted, const_fn_unsize, "1.54.0", Some(64992)), /// Allows const generics to have default values (e.g. `struct Foo<const N: usize = 3>(...);`). - (accepted, const_generics_defaults, "1.59.0", Some(44580), None), + (accepted, const_generics_defaults, "1.59.0", Some(44580)), /// Allows the use of `if` and `match` in constants. - (accepted, const_if_match, "1.46.0", Some(49146), None), + (accepted, const_if_match, "1.46.0", Some(49146)), /// Allows argument and return position `impl Trait` in a `const fn`. - (accepted, const_impl_trait, "1.61.0", Some(77463), None), + (accepted, const_impl_trait, "1.61.0", Some(77463)), /// Allows indexing into constant arrays. - (accepted, const_indexing, "1.26.0", Some(29947), None), + (accepted, const_indexing, "1.26.0", Some(29947)), /// Allows let bindings, assignments and destructuring in `const` functions and constants. /// As long as control flow is not implemented in const eval, `&&` and `||` may not be used /// at the same time as let bindings. - (accepted, const_let, "1.33.0", Some(48821), None), + (accepted, const_let, "1.33.0", Some(48821)), /// Allows the use of `loop` and `while` in constants. - (accepted, const_loop, "1.46.0", Some(52000), None), + (accepted, const_loop, "1.46.0", Some(52000)), /// Allows panicking during const eval (producing compile-time errors). - (accepted, const_panic, "1.57.0", Some(51999), None), + (accepted, const_panic, "1.57.0", Some(51999)), /// Allows dereferencing raw pointers during const eval. - (accepted, const_raw_ptr_deref, "1.58.0", Some(51911), None), + (accepted, const_raw_ptr_deref, "1.58.0", Some(51911)), /// Allows implementing `Copy` for closures where possible (RFC 2132). - (accepted, copy_closures, "1.26.0", Some(44490), None), + (accepted, copy_closures, "1.26.0", Some(44490)), /// Allows `crate` in paths. - (accepted, crate_in_paths, "1.30.0", Some(45477), None), + (accepted, crate_in_paths, "1.30.0", Some(45477)), /// Allows using `#[debugger_visualizer]` attribute. - (accepted, debugger_visualizer, "1.71.0", Some(95939), None), + (accepted, debugger_visualizer, "1.71.0", Some(95939)), /// Allows rustc to inject a default alloc_error_handler - (accepted, default_alloc_error_handler, "1.68.0", Some(66741), None), + (accepted, default_alloc_error_handler, "1.68.0", Some(66741)), /// Allows using assigning a default type to type parameters in algebraic data type definitions. - (accepted, default_type_params, "1.0.0", None, None), + (accepted, default_type_params, "1.0.0", None), /// Allows `#[deprecated]` attribute. - (accepted, deprecated, "1.9.0", Some(29935), None), + (accepted, deprecated, "1.9.0", Some(29935)), /// Allows `#[derive(Default)]` and `#[default]` on enums. - (accepted, derive_default_enum, "1.62.0", Some(86985), None), + (accepted, derive_default_enum, "1.62.0", Some(86985)), /// Allows the use of destructuring assignments. - (accepted, destructuring_assignment, "1.59.0", Some(71126), None), + (accepted, destructuring_assignment, "1.59.0", Some(71126)), /// Allows `#[doc(alias = "...")]`. - (accepted, doc_alias, "1.48.0", Some(50146), None), + (accepted, doc_alias, "1.48.0", Some(50146)), /// Allows `..` in tuple (struct) patterns. - (accepted, dotdot_in_tuple_patterns, "1.14.0", Some(33627), None), + (accepted, dotdot_in_tuple_patterns, "1.14.0", Some(33627)), /// Allows `..=` in patterns (RFC 1192). - (accepted, dotdoteq_in_patterns, "1.26.0", Some(28237), None), + (accepted, dotdoteq_in_patterns, "1.26.0", Some(28237)), /// Allows `Drop` types in constants (RFC 1440). - (accepted, drop_types_in_const, "1.22.0", Some(33156), None), + (accepted, drop_types_in_const, "1.22.0", Some(33156)), /// Allows using `dyn Trait` as a syntax for trait objects. - (accepted, dyn_trait, "1.27.0", Some(44662), None), + (accepted, dyn_trait, "1.27.0", Some(44662)), /// Allows integer match exhaustiveness checking (RFC 2591). - (accepted, exhaustive_integer_patterns, "1.33.0", Some(50907), None), + (accepted, exhaustive_integer_patterns, "1.33.0", Some(50907)), /// Allows explicit generic arguments specification with `impl Trait` present. - (accepted, explicit_generic_args_with_impl_trait, "1.63.0", Some(83701), None), + (accepted, explicit_generic_args_with_impl_trait, "1.63.0", Some(83701)), /// Allows arbitrary expressions in key-value attributes at parse time. - (accepted, extended_key_value_attributes, "1.54.0", Some(78835), None), + (accepted, extended_key_value_attributes, "1.54.0", Some(78835)), /// Allows resolving absolute paths as paths from other crates. - (accepted, extern_absolute_paths, "1.30.0", Some(44660), None), + (accepted, extern_absolute_paths, "1.30.0", Some(44660)), /// Allows `extern crate foo as bar;`. This puts `bar` into extern prelude. - (accepted, extern_crate_item_prelude, "1.31.0", Some(55599), None), + (accepted, extern_crate_item_prelude, "1.31.0", Some(55599)), /// Allows `extern crate self as foo;`. /// This puts local crate root into extern prelude under name `foo`. - (accepted, extern_crate_self, "1.34.0", Some(56409), None), + (accepted, extern_crate_self, "1.34.0", Some(56409)), /// Allows access to crate names passed via `--extern` through prelude. - (accepted, extern_prelude, "1.30.0", Some(44660), None), + (accepted, extern_prelude, "1.30.0", Some(44660)), /// Allows using F16C intrinsics from `core::arch::{x86, x86_64}`. - (accepted, f16c_target_feature, "1.68.0", Some(44839), None), + (accepted, f16c_target_feature, "1.68.0", Some(44839)), /// Allows field shorthands (`x` meaning `x: x`) in struct literal expressions. - (accepted, field_init_shorthand, "1.17.0", Some(37340), None), + (accepted, field_init_shorthand, "1.17.0", Some(37340)), /// Allows `#[must_use]` on functions, and introduces must-use operators (RFC 1940). - (accepted, fn_must_use, "1.27.0", Some(43302), None), + (accepted, fn_must_use, "1.27.0", Some(43302)), /// Allows capturing variables in scope using format_args! - (accepted, format_args_capture, "1.58.0", Some(67984), None), + (accepted, format_args_capture, "1.58.0", Some(67984)), /// Allows associated types to be generic, e.g., `type Foo<T>;` (RFC 1598). - (accepted, generic_associated_types, "1.65.0", Some(44265), None), + (accepted, generic_associated_types, "1.65.0", Some(44265)), /// Allows attributes on lifetime/type formal parameters in generics (RFC 1327). - (accepted, generic_param_attrs, "1.27.0", Some(48848), None), + (accepted, generic_param_attrs, "1.27.0", Some(48848)), /// Allows the `#[global_allocator]` attribute. - (accepted, global_allocator, "1.28.0", Some(27389), None), + (accepted, global_allocator, "1.28.0", Some(27389)), // FIXME: explain `globs`. - (accepted, globs, "1.0.0", None, None), + (accepted, globs, "1.0.0", None), /// Allows using `..=X` as a pattern. - (accepted, half_open_range_patterns, "1.66.0", Some(67264), None), + (accepted, half_open_range_patterns, "1.66.0", Some(67264)), /// Allows using the `u128` and `i128` types. - (accepted, i128_type, "1.26.0", Some(35118), None), + (accepted, i128_type, "1.26.0", Some(35118)), /// Allows the use of `if let` expressions. - (accepted, if_let, "1.0.0", None, None), + (accepted, if_let, "1.0.0", None), /// Allows top level or-patterns (`p | q`) in `if let` and `while let`. - (accepted, if_while_or_patterns, "1.33.0", Some(48215), None), + (accepted, if_while_or_patterns, "1.33.0", Some(48215)), /// Allows lifetime elision in `impl` headers. For example: /// + `impl<I:Iterator> Iterator for &mut Iterator` /// + `impl Debug for Foo<'_>` - (accepted, impl_header_lifetime_elision, "1.31.0", Some(15872), None), + (accepted, impl_header_lifetime_elision, "1.31.0", Some(15872)), /// Allows referencing `Self` and projections in impl-trait. - (accepted, impl_trait_projections, "1.74.0", Some(103532), None), + (accepted, impl_trait_projections, "1.74.0", Some(103532)), /// Allows using `a..=b` and `..=b` as inclusive range syntaxes. - (accepted, inclusive_range_syntax, "1.26.0", Some(28237), None), + (accepted, inclusive_range_syntax, "1.26.0", Some(28237)), /// Allows inferring outlives requirements (RFC 2093). - (accepted, infer_outlives_requirements, "1.30.0", Some(44493), None), + (accepted, infer_outlives_requirements, "1.30.0", Some(44493)), /// Allows irrefutable patterns in `if let` and `while let` statements (RFC 2086). - (accepted, irrefutable_let_patterns, "1.33.0", Some(44495), None), + (accepted, irrefutable_let_patterns, "1.33.0", Some(44495)), /// Allows `#[instruction_set(_)]` attribute. - (accepted, isa_attribute, "1.67.0", Some(74727), None), + (accepted, isa_attribute, "1.67.0", Some(74727)), /// Allows some increased flexibility in the name resolution rules, /// especially around globs and shadowing (RFC 1560). - (accepted, item_like_imports, "1.15.0", Some(35120), None), + (accepted, item_like_imports, "1.15.0", Some(35120)), /// Allows `'a: { break 'a; }`. - (accepted, label_break_value, "1.65.0", Some(48594), None), + (accepted, label_break_value, "1.65.0", Some(48594)), /// Allows `let...else` statements. - (accepted, let_else, "1.65.0", Some(87335), None), + (accepted, let_else, "1.65.0", Some(87335)), /// Allows `break {expr}` with a value inside `loop`s. - (accepted, loop_break_value, "1.19.0", Some(37339), None), + (accepted, loop_break_value, "1.19.0", Some(37339)), /// Allows use of `?` as the Kleene "at most one" operator in macros. - (accepted, macro_at_most_once_rep, "1.32.0", Some(48075), None), + (accepted, macro_at_most_once_rep, "1.32.0", Some(48075)), /// Allows macro attributes to observe output of `#[derive]`. - (accepted, macro_attributes_in_derive_output, "1.57.0", Some(81119), None), + (accepted, macro_attributes_in_derive_output, "1.57.0", Some(81119)), /// Allows use of the `:lifetime` macro fragment specifier. - (accepted, macro_lifetime_matcher, "1.27.0", Some(34303), None), + (accepted, macro_lifetime_matcher, "1.27.0", Some(34303)), /// Allows use of the `:literal` macro fragment specifier (RFC 1576). - (accepted, macro_literal_matcher, "1.32.0", Some(35625), None), + (accepted, macro_literal_matcher, "1.32.0", Some(35625)), /// Allows `macro_rules!` items. - (accepted, macro_rules, "1.0.0", None, None), + (accepted, macro_rules, "1.0.0", None), /// Allows use of the `:vis` macro fragment specifier - (accepted, macro_vis_matcher, "1.30.0", Some(41022), None), + (accepted, macro_vis_matcher, "1.30.0", Some(41022)), /// Allows macro invocations in `extern {}` blocks. - (accepted, macros_in_extern, "1.40.0", Some(49476), None), + (accepted, macros_in_extern, "1.40.0", Some(49476)), /// Allows '|' at beginning of match arms (RFC 1925). - (accepted, match_beginning_vert, "1.25.0", Some(44101), None), + (accepted, match_beginning_vert, "1.25.0", Some(44101)), /// Allows default match binding modes (RFC 2005). - (accepted, match_default_bindings, "1.26.0", Some(42640), None), + (accepted, match_default_bindings, "1.26.0", Some(42640)), /// Allows `impl Trait` with multiple unrelated lifetimes. - (accepted, member_constraints, "1.54.0", Some(61997), None), + (accepted, member_constraints, "1.54.0", Some(61997)), /// Allows the definition of `const fn` functions. - (accepted, min_const_fn, "1.31.0", Some(53555), None), + (accepted, min_const_fn, "1.31.0", Some(53555)), /// The smallest useful subset of const generics. - (accepted, min_const_generics, "1.51.0", Some(74878), None), + (accepted, min_const_generics, "1.51.0", Some(74878)), /// Allows calling `const unsafe fn` inside `unsafe` blocks in `const fn` functions. - (accepted, min_const_unsafe_fn, "1.33.0", Some(55607), None), + (accepted, min_const_unsafe_fn, "1.33.0", Some(55607)), /// Allows using `Self` and associated types in struct expressions and patterns. - (accepted, more_struct_aliases, "1.16.0", Some(37544), None), + (accepted, more_struct_aliases, "1.16.0", Some(37544)), /// Allows using the MOVBE target feature. - (accepted, movbe_target_feature, "1.70.0", Some(44839), None), + (accepted, movbe_target_feature, "1.70.0", Some(44839)), /// Allows patterns with concurrent by-move and by-ref bindings. /// For example, you can write `Foo(a, ref b)` where `a` is by-move and `b` is by-ref. - (accepted, move_ref_pattern, "1.49.0", Some(68354), None), + (accepted, move_ref_pattern, "1.49.0", Some(68354)), /// Allows specifying modifiers in the link attribute: `#[link(modifiers = "...")]` - (accepted, native_link_modifiers, "1.61.0", Some(81490), None), + (accepted, native_link_modifiers, "1.61.0", Some(81490)), /// Allows specifying the bundle link modifier - (accepted, native_link_modifiers_bundle, "1.63.0", Some(81490), None), + (accepted, native_link_modifiers_bundle, "1.63.0", Some(81490)), /// Allows specifying the verbatim link modifier - (accepted, native_link_modifiers_verbatim, "1.67.0", Some(81490), None), + (accepted, native_link_modifiers_verbatim, "1.67.0", Some(81490)), /// Allows specifying the whole-archive link modifier - (accepted, native_link_modifiers_whole_archive, "1.61.0", Some(81490), None), + (accepted, native_link_modifiers_whole_archive, "1.61.0", Some(81490)), /// Allows using non lexical lifetimes (RFC 2094). - (accepted, nll, "1.63.0", Some(43234), None), + (accepted, nll, "1.63.0", Some(43234)), /// Allows using `#![no_std]`. - (accepted, no_std, "1.6.0", None, None), + (accepted, no_std, "1.6.0", None), /// Allows defining identifiers beyond ASCII. - (accepted, non_ascii_idents, "1.53.0", Some(55467), None), + (accepted, non_ascii_idents, "1.53.0", Some(55467)), /// Allows future-proofing enums/structs with the `#[non_exhaustive]` attribute (RFC 2008). - (accepted, non_exhaustive, "1.40.0", Some(44109), None), + (accepted, non_exhaustive, "1.40.0", Some(44109)), /// Allows `foo.rs` as an alternative to `foo/mod.rs`. - (accepted, non_modrs_mods, "1.30.0", Some(44660), None), + (accepted, non_modrs_mods, "1.30.0", Some(44660)), /// Allows the use of or-patterns (e.g., `0 | 1`). - (accepted, or_patterns, "1.53.0", Some(54883), None), + (accepted, or_patterns, "1.53.0", Some(54883)), /// Allows using `+bundle,+whole-archive` link modifiers with native libs. - (accepted, packed_bundled_libs, "1.74.0", Some(108081), None), + (accepted, packed_bundled_libs, "1.74.0", Some(108081)), /// Allows annotating functions conforming to `fn(&PanicInfo) -> !` with `#[panic_handler]`. /// This defines the behavior of panics. - (accepted, panic_handler, "1.30.0", Some(44489), None), + (accepted, panic_handler, "1.30.0", Some(44489)), /// Allows attributes in formal function parameters. - (accepted, param_attrs, "1.39.0", Some(60406), None), + (accepted, param_attrs, "1.39.0", Some(60406)), /// Allows parentheses in patterns. - (accepted, pattern_parentheses, "1.31.0", Some(51087), None), + (accepted, pattern_parentheses, "1.31.0", Some(51087)), /// Allows procedural macros in `proc-macro` crates. - (accepted, proc_macro, "1.29.0", Some(38356), None), + (accepted, proc_macro, "1.29.0", Some(38356)), /// Allows multi-segment paths in attributes and derives. - (accepted, proc_macro_path_invoc, "1.30.0", Some(38356), None), + (accepted, proc_macro_path_invoc, "1.30.0", Some(38356)), /// Allows `pub(restricted)` visibilities (RFC 1422). - (accepted, pub_restricted, "1.18.0", Some(32409), None), + (accepted, pub_restricted, "1.18.0", Some(32409)), /// Allows use of the postfix `?` operator in expressions. - (accepted, question_mark, "1.13.0", Some(31436), None), + (accepted, question_mark, "1.13.0", Some(31436)), /// Allows the use of raw-dylibs (RFC 2627). - (accepted, raw_dylib, "1.71.0", Some(58713), None), + (accepted, raw_dylib, "1.71.0", Some(58713)), /// Allows keywords to be escaped for use as identifiers. - (accepted, raw_identifiers, "1.30.0", Some(48589), None), + (accepted, raw_identifiers, "1.30.0", Some(48589)), /// Allows relaxing the coherence rules such that /// `impl<T> ForeignTrait<LocalType> for ForeignType<T>` is permitted. - (accepted, re_rebalance_coherence, "1.41.0", Some(55437), None), + (accepted, re_rebalance_coherence, "1.41.0", Some(55437)), /// Allows numeric fields in struct expressions and patterns. - (accepted, relaxed_adts, "1.19.0", Some(35626), None), + (accepted, relaxed_adts, "1.19.0", Some(35626)), /// Lessens the requirements for structs to implement `Unsize`. - (accepted, relaxed_struct_unsize, "1.58.0", Some(81793), None), + (accepted, relaxed_struct_unsize, "1.58.0", Some(81793)), /// Allows `repr(align(16))` struct attribute (RFC 1358). - (accepted, repr_align, "1.25.0", Some(33626), None), + (accepted, repr_align, "1.25.0", Some(33626)), /// Allows using `#[repr(align(X))]` on enums with equivalent semantics /// to wrapping an enum in a wrapper struct with `#[repr(align(X))]`. - (accepted, repr_align_enum, "1.37.0", Some(57996), None), + (accepted, repr_align_enum, "1.37.0", Some(57996)), /// Allows `#[repr(packed(N))]` attribute on structs. - (accepted, repr_packed, "1.33.0", Some(33158), None), + (accepted, repr_packed, "1.33.0", Some(33158)), /// Allows `#[repr(transparent)]` attribute on newtype structs. - (accepted, repr_transparent, "1.28.0", Some(43036), None), + (accepted, repr_transparent, "1.28.0", Some(43036)), /// Allows return-position `impl Trait` in traits. - (accepted, return_position_impl_trait_in_trait, "1.75.0", Some(91611), None), + (accepted, return_position_impl_trait_in_trait, "1.75.0", Some(91611)), /// Allows code like `let x: &'static u32 = &42` to work (RFC 1414). - (accepted, rvalue_static_promotion, "1.21.0", Some(38865), None), + (accepted, rvalue_static_promotion, "1.21.0", Some(38865)), /// Allows `Self` in type definitions (RFC 2300). - (accepted, self_in_typedefs, "1.32.0", Some(49303), None), + (accepted, self_in_typedefs, "1.32.0", Some(49303)), /// Allows `Self` struct constructor (RFC 2302). - (accepted, self_struct_ctor, "1.32.0", Some(51994), None), + (accepted, self_struct_ctor, "1.32.0", Some(51994)), /// Allows using subslice patterns, `[a, .., b]` and `[a, xs @ .., b]`. - (accepted, slice_patterns, "1.42.0", Some(62254), None), + (accepted, slice_patterns, "1.42.0", Some(62254)), /// Allows use of `&foo[a..b]` as a slicing syntax. - (accepted, slicing_syntax, "1.0.0", None, None), + (accepted, slicing_syntax, "1.0.0", None), /// Allows elision of `'static` lifetimes in `static`s and `const`s. - (accepted, static_in_const, "1.17.0", Some(35897), None), + (accepted, static_in_const, "1.17.0", Some(35897)), /// Allows the definition recursive static items. - (accepted, static_recursion, "1.17.0", Some(29719), None), + (accepted, static_recursion, "1.17.0", Some(29719)), /// Allows attributes on struct literal fields. - (accepted, struct_field_attributes, "1.20.0", Some(38814), None), + (accepted, struct_field_attributes, "1.20.0", Some(38814)), /// Allows struct variants `Foo { baz: u8, .. }` in enums (RFC 418). - (accepted, struct_variant, "1.0.0", None, None), + (accepted, struct_variant, "1.0.0", None), /// Allows `#[target_feature(...)]`. - (accepted, target_feature, "1.27.0", None, None), + (accepted, target_feature, "1.27.0", None), /// Allows `fn main()` with return types which implements `Termination` (RFC 1937). - (accepted, termination_trait, "1.26.0", Some(43301), None), + (accepted, termination_trait, "1.26.0", Some(43301)), /// Allows `#[test]` functions where the return type implements `Termination` (RFC 1937). - (accepted, termination_trait_test, "1.27.0", Some(48854), None), + (accepted, termination_trait_test, "1.27.0", Some(48854)), /// Allows attributes scoped to tools. - (accepted, tool_attributes, "1.30.0", Some(44690), None), + (accepted, tool_attributes, "1.30.0", Some(44690)), /// Allows scoped lints. - (accepted, tool_lints, "1.31.0", Some(44690), None), + (accepted, tool_lints, "1.31.0", Some(44690)), /// Allows `#[track_caller]` to be used which provides /// accurate caller location reporting during panic (RFC 2091). - (accepted, track_caller, "1.46.0", Some(47809), None), + (accepted, track_caller, "1.46.0", Some(47809)), /// Allows dyn upcasting trait objects via supertraits. /// Dyn upcasting is casting, e.g., `dyn Foo -> dyn Bar` where `Foo: Bar`. - (accepted, trait_upcasting, "CURRENT_RUSTC_VERSION", Some(65991), None), + (accepted, trait_upcasting, "CURRENT_RUSTC_VERSION", Some(65991)), /// Allows #[repr(transparent)] on univariant enums (RFC 2645). - (accepted, transparent_enums, "1.42.0", Some(60405), None), + (accepted, transparent_enums, "1.42.0", Some(60405)), /// Allows indexing tuples. - (accepted, tuple_indexing, "1.0.0", None, None), + (accepted, tuple_indexing, "1.0.0", None), /// Allows paths to enum variants on type aliases including `Self`. - (accepted, type_alias_enum_variants, "1.37.0", Some(49683), None), + (accepted, type_alias_enum_variants, "1.37.0", Some(49683)), /// Allows macros to appear in the type position. - (accepted, type_macros, "1.13.0", Some(27245), None), + (accepted, type_macros, "1.13.0", Some(27245)), /// Allows `const _: TYPE = VALUE`. - (accepted, underscore_const_names, "1.37.0", Some(54912), None), + (accepted, underscore_const_names, "1.37.0", Some(54912)), /// Allows `use path as _;` and `extern crate c as _;`. - (accepted, underscore_imports, "1.33.0", Some(48216), None), + (accepted, underscore_imports, "1.33.0", Some(48216)), /// Allows `'_` placeholder lifetimes. - (accepted, underscore_lifetimes, "1.26.0", Some(44524), None), + (accepted, underscore_lifetimes, "1.26.0", Some(44524)), /// Allows `use x::y;` to search `x` in the current scope. - (accepted, uniform_paths, "1.32.0", Some(53130), None), + (accepted, uniform_paths, "1.32.0", Some(53130)), /// Allows `impl Trait` in function arguments. - (accepted, universal_impl_trait, "1.26.0", Some(34511), None), + (accepted, universal_impl_trait, "1.26.0", Some(34511)), /// Allows arbitrary delimited token streams in non-macro attributes. - (accepted, unrestricted_attribute_tokens, "1.34.0", Some(55208), None), + (accepted, unrestricted_attribute_tokens, "1.34.0", Some(55208)), /// The `unsafe_op_in_unsafe_fn` lint (allowed by default): no longer treat an unsafe function as an unsafe block. - (accepted, unsafe_block_in_unsafe_fn, "1.52.0", Some(71668), None), + (accepted, unsafe_block_in_unsafe_fn, "1.52.0", Some(71668)), /// Allows importing and reexporting macros with `use`, /// enables macro modularization in general. - (accepted, use_extern_macros, "1.30.0", Some(35896), None), + (accepted, use_extern_macros, "1.30.0", Some(35896)), /// Allows nested groups in `use` items (RFC 2128). - (accepted, use_nested_groups, "1.25.0", Some(44494), None), + (accepted, use_nested_groups, "1.25.0", Some(44494)), /// Allows `#[used]` to preserve symbols (see llvm.compiler.used). - (accepted, used, "1.30.0", Some(40289), None), + (accepted, used, "1.30.0", Some(40289)), /// Allows the use of `while let` expressions. - (accepted, while_let, "1.0.0", None, None), + (accepted, while_let, "1.0.0", None), /// Allows `#![windows_subsystem]`. - (accepted, windows_subsystem, "1.18.0", Some(37499), None), + (accepted, windows_subsystem, "1.18.0", Some(37499)), // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way. // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! diff --git a/compiler/rustc_feature/src/lib.rs b/compiler/rustc_feature/src/lib.rs index 73d51d9f80e..cd1d9b13daa 100644 --- a/compiler/rustc_feature/src/lib.rs +++ b/compiler/rustc_feature/src/lib.rs @@ -26,7 +26,7 @@ mod unstable; #[cfg(test)] mod tests; -use rustc_span::{edition::Edition, symbol::Symbol}; +use rustc_span::symbol::Symbol; use std::num::NonZeroU32; #[derive(Debug, Clone)] @@ -34,7 +34,6 @@ pub struct Feature { pub name: Symbol, pub since: &'static str, issue: Option<NonZeroU32>, - pub edition: Option<Edition>, } #[derive(Copy, Clone, Debug)] diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs index c0d3fc3fae0..0d9b8b344cf 100644 --- a/compiler/rustc_feature/src/removed.rs +++ b/compiler/rustc_feature/src/removed.rs @@ -10,7 +10,7 @@ pub struct RemovedFeature { macro_rules! declare_features { ($( - $(#[doc = $doc:tt])* (removed, $feature:ident, $ver:expr, $issue:expr, None, $reason:expr), + $(#[doc = $doc:tt])* (removed, $feature:ident, $ver:expr, $issue:expr, $reason:expr), )+) => { /// Formerly unstable features that have now been removed. pub const REMOVED_FEATURES: &[RemovedFeature] = &[ @@ -19,7 +19,6 @@ macro_rules! declare_features { name: sym::$feature, since: $ver, issue: to_nonzero($issue), - edition: None, }, reason: $reason }),+ @@ -33,176 +32,178 @@ declare_features! ( // feature-group-start: removed features // ------------------------------------------------------------------------- - (removed, advanced_slice_patterns, "1.0.0", Some(62254), None, + (removed, advanced_slice_patterns, "1.0.0", Some(62254), Some("merged into `#![feature(slice_patterns)]`")), - (removed, allocator, "1.0.0", None, None, None), + (removed, allocator, "1.0.0", None, None), /// Allows a test to fail without failing the whole suite. - (removed, allow_fail, "1.19.0", Some(46488), None, Some("removed due to no clear use cases")), - (removed, await_macro, "1.38.0", Some(50547), None, + (removed, allow_fail, "1.19.0", Some(46488), Some("removed due to no clear use cases")), + (removed, await_macro, "1.38.0", Some(50547), Some("subsumed by `.await` syntax")), /// Allows using the `box $expr` syntax. - (removed, box_syntax, "1.70.0", Some(49733), None, Some("replaced with `#[rustc_box]`")), + (removed, box_syntax, "1.70.0", Some(49733), Some("replaced with `#[rustc_box]`")), /// Allows capturing disjoint fields in a closure/coroutine (RFC 2229). - (removed, capture_disjoint_fields, "1.49.0", Some(53488), None, Some("stabilized in Rust 2021")), + (removed, capture_disjoint_fields, "1.49.0", Some(53488), Some("stabilized in Rust 2021")), /// Allows comparing raw pointers during const eval. - (removed, const_compare_raw_pointers, "1.46.0", Some(53020), None, + (removed, const_compare_raw_pointers, "1.46.0", Some(53020), Some("cannot be allowed in const eval in any meaningful way")), /// Allows limiting the evaluation steps of const expressions - (removed, const_eval_limit, "1.43.0", Some(67217), None, Some("removed the limit entirely")), + (removed, const_eval_limit, "1.43.0", Some(67217), Some("removed the limit entirely")), /// Allows non-trivial generic constants which have to be manually propagated upwards. - (removed, const_evaluatable_checked, "1.48.0", Some(76560), None, Some("renamed to `generic_const_exprs`")), + (removed, const_evaluatable_checked, "1.48.0", Some(76560), Some("renamed to `generic_const_exprs`")), /// Allows the definition of `const` functions with some advanced features. - (removed, const_fn, "1.54.0", Some(57563), None, + (removed, const_fn, "1.54.0", Some(57563), Some("split into finer-grained feature gates")), /// Allows const generic types (e.g. `struct Foo<const N: usize>(...);`). - (removed, const_generics, "1.34.0", Some(44580), None, + (removed, const_generics, "1.34.0", Some(44580), Some("removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`")), /// Allows `[x; N]` where `x` is a constant (RFC 2203). - (removed, const_in_array_repeat_expressions, "1.37.0", Some(49147), None, + (removed, const_in_array_repeat_expressions, "1.37.0", Some(49147), Some("removed due to causing promotable bugs")), /// Allows casting raw pointers to `usize` during const eval. - (removed, const_raw_ptr_to_usize_cast, "1.55.0", Some(51910), None, + (removed, const_raw_ptr_to_usize_cast, "1.55.0", Some(51910), Some("at compile-time, pointers do not have an integer value, so these casts cannot be properly supported")), /// Allows `T: ?const Trait` syntax in bounds. - (removed, const_trait_bound_opt_out, "1.42.0", Some(67794), None, + (removed, const_trait_bound_opt_out, "1.42.0", Some(67794), Some("Removed in favor of `~const` bound in #![feature(const_trait_impl)]")), /// Allows using `crate` as visibility modifier, synonymous with `pub(crate)`. - (removed, crate_visibility_modifier, "1.63.0", Some(53120), None, Some("removed in favor of `pub(crate)`")), + (removed, crate_visibility_modifier, "1.63.0", Some(53120), Some("removed in favor of `pub(crate)`")), /// Allows using custom attributes (RFC 572). - (removed, custom_attribute, "1.0.0", Some(29642), None, + (removed, custom_attribute, "1.0.0", Some(29642), Some("removed in favor of `#![register_tool]` and `#![register_attr]`")), /// Allows the use of `#[derive(Anything)]` as sugar for `#[derive_Anything]`. - (removed, custom_derive, "1.32.0", Some(29644), None, + (removed, custom_derive, "1.32.0", Some(29644), Some("subsumed by `#[proc_macro_derive]`")), /// Allows using `#[doc(keyword = "...")]`. - (removed, doc_keyword, "1.28.0", Some(51315), None, + (removed, doc_keyword, "1.28.0", Some(51315), Some("merged into `#![feature(rustdoc_internals)]`")), /// Allows using `doc(primitive)` without a future-incompat warning. - (removed, doc_primitive, "1.56.0", Some(88070), None, + (removed, doc_primitive, "1.56.0", Some(88070), Some("merged into `#![feature(rustdoc_internals)]`")), /// Allows `#[doc(spotlight)]`. /// The attribute was renamed to `#[doc(notable_trait)]` /// and the feature to `doc_notable_trait`. - (removed, doc_spotlight, "1.22.0", Some(45040), None, + (removed, doc_spotlight, "1.22.0", Some(45040), Some("renamed to `doc_notable_trait`")), /// Allows using `#[unsafe_destructor_blind_to_params]` (RFC 1238). - (removed, dropck_parametricity, "1.38.0", Some(28498), None, None), + (removed, dropck_parametricity, "1.38.0", Some(28498), None), /// Allows defining `existential type`s. - (removed, existential_type, "1.38.0", Some(63063), None, + (removed, existential_type, "1.38.0", Some(63063), Some("removed in favor of `#![feature(type_alias_impl_trait)]`")), /// Paths of the form: `extern::foo::bar` - (removed, extern_in_paths, "1.33.0", Some(55600), None, + (removed, extern_in_paths, "1.33.0", Some(55600), Some("subsumed by `::foo::bar` paths")), /// Allows `#[doc(include = "some-file")]`. - (removed, external_doc, "1.54.0", Some(44732), None, + (removed, external_doc, "1.54.0", Some(44732), Some("use #[doc = include_str!(\"filename\")] instead, which handles macro invocations")), /// Allows generators to be cloned. - (removed, generator_clone, "1.65.0", Some(95360), None, Some("renamed to `coroutine_clone`")), + (removed, generator_clone, "1.65.0", Some(95360), Some("renamed to `coroutine_clone`")), /// Allows defining generators. - (removed, generators, "1.21.0", Some(43122), None, Some("renamed to `coroutines`")), + (removed, generators, "1.21.0", Some(43122), Some("renamed to `coroutines`")), /// Allows `impl Trait` in bindings (`let`, `const`, `static`). - (removed, impl_trait_in_bindings, "1.55.0", Some(63065), None, + (removed, impl_trait_in_bindings, "1.55.0", Some(63065), Some("the implementation was not maintainable, the feature may get reintroduced once the current refactorings are done")), - (removed, import_shadowing, "1.0.0", None, None, None), + (removed, import_shadowing, "1.0.0", None, None), /// Allows in-band quantification of lifetime bindings (e.g., `fn foo(x: &'a u8) -> &'a u8`). - (removed, in_band_lifetimes, "1.23.0", Some(44524), None, + (removed, in_band_lifetimes, "1.23.0", Some(44524), Some("removed due to unsolved ergonomic questions and added lifetime resolution complexity")), /// Allows inferring `'static` outlives requirements (RFC 2093). - (removed, infer_static_outlives_requirements, "1.63.0", Some(54185), None, + (removed, infer_static_outlives_requirements, "1.63.0", Some(54185), Some("removed as it caused some confusion and discussion was inactive for years")), /// Lazily evaluate constants. This allows constants to depend on type parameters. - (removed, lazy_normalization_consts, "1.46.0", Some(72219), None, Some("superseded by `generic_const_exprs`")), + (removed, lazy_normalization_consts, "1.46.0", Some(72219), Some("superseded by `generic_const_exprs`")), /// Allows using the `#[link_args]` attribute. - (removed, link_args, "1.53.0", Some(29596), None, + (removed, link_args, "1.53.0", Some(29596), Some("removed in favor of using `-C link-arg=ARG` on command line, \ which is available from cargo build scripts with `cargo:rustc-link-arg` now")), - (removed, macro_reexport, "1.0.0", Some(29638), None, + (removed, macro_reexport, "1.0.0", Some(29638), Some("subsumed by `pub use`")), /// Allows using `#[main]` to replace the entrypoint `#[lang = "start"]` calls. - (removed, main, "1.53.0", Some(29634), None, None), - (removed, managed_boxes, "1.0.0", None, None, None), + (removed, main, "1.53.0", Some(29634), None), + (removed, managed_boxes, "1.0.0", None, None), /// Allows the use of type alias impl trait in function return positions - (removed, min_type_alias_impl_trait, "1.56.0", Some(63063), None, + (removed, min_type_alias_impl_trait, "1.56.0", Some(63063), Some("removed in favor of full type_alias_impl_trait")), - (removed, needs_allocator, "1.4.0", Some(27389), None, + (removed, needs_allocator, "1.4.0", Some(27389), Some("subsumed by `#![feature(allocator_internals)]`")), /// Allows use of unary negate on unsigned integers, e.g., -e for e: u8 - (removed, negate_unsigned, "1.0.0", Some(29645), None, None), + (removed, negate_unsigned, "1.0.0", Some(29645), None), /// Allows `#[no_coverage]` on functions. /// The feature was renamed to `coverage_attribute` and the attribute to `#[coverage(on|off)]` - (removed, no_coverage, "1.74.0", Some(84605), None, Some("renamed to `coverage_attribute`")), + (removed, no_coverage, "1.74.0", Some(84605), Some("renamed to `coverage_attribute`")), /// Allows `#[no_debug]`. - (removed, no_debug, "1.43.0", Some(29721), None, Some("removed due to lack of demand")), + (removed, no_debug, "1.43.0", Some(29721), Some("removed due to lack of demand")), /// Note: this feature was previously recorded in a separate /// `STABLE_REMOVED` list because it, uniquely, was once stable but was /// then removed. But there was no utility storing it separately, so now /// it's in this list. - (removed, no_stack_check, "1.0.0", None, None, None), + (removed, no_stack_check, "1.0.0", None, None), /// Allows using `#[on_unimplemented(..)]` on traits. /// (Moved to `rustc_attrs`.) - (removed, on_unimplemented, "1.40.0", None, None, None), + (removed, on_unimplemented, "1.40.0", None, None), /// A way to temporarily opt out of opt-in copy. This will *never* be accepted. - (removed, opt_out_copy, "1.0.0", None, None, None), + (removed, opt_out_copy, "1.0.0", None, None), /// Allows features specific to OIBIT (now called auto traits). /// Renamed to `auto_traits`. - (removed, optin_builtin_traits, "1.0.0", Some(13231), None, + (removed, optin_builtin_traits, "1.0.0", Some(13231), Some("renamed to `auto_traits`")), /// Allows overlapping impls of marker traits. - (removed, overlapping_marker_traits, "1.42.0", Some(29864), None, + (removed, overlapping_marker_traits, "1.42.0", Some(29864), Some("removed in favor of `#![feature(marker_trait_attr)]`")), - (removed, panic_implementation, "1.28.0", Some(44489), None, + (removed, panic_implementation, "1.28.0", Some(44489), Some("subsumed by `#[panic_handler]`")), /// Allows using `#![plugin(myplugin)]`. - (removed, plugin, "1.75.0", Some(29597), None, + (removed, plugin, "1.75.0", Some(29597), Some("plugins are no longer supported")), /// Allows using `#[plugin_registrar]` on functions. - (removed, plugin_registrar, "1.54.0", Some(29597), None, + (removed, plugin_registrar, "1.54.0", Some(29597), Some("plugins are no longer supported")), /// Allows exhaustive integer pattern matching with `usize::MAX`/`isize::MIN`/`isize::MAX`. - (removed, precise_pointer_size_matching, "1.32.0", Some(56354), None, + (removed, precise_pointer_size_matching, "1.32.0", Some(56354), Some("removed in favor of half-open ranges")), - (removed, proc_macro_expr, "1.27.0", Some(54727), None, + (removed, proc_macro_expr, "1.27.0", Some(54727), Some("subsumed by `#![feature(proc_macro_hygiene)]`")), - (removed, proc_macro_gen, "1.27.0", Some(54727), None, + (removed, proc_macro_gen, "1.27.0", Some(54727), Some("subsumed by `#![feature(proc_macro_hygiene)]`")), - (removed, proc_macro_mod, "1.27.0", Some(54727), None, + (removed, proc_macro_mod, "1.27.0", Some(54727), Some("subsumed by `#![feature(proc_macro_hygiene)]`")), - (removed, proc_macro_non_items, "1.27.0", Some(54727), None, + (removed, proc_macro_non_items, "1.27.0", Some(54727), Some("subsumed by `#![feature(proc_macro_hygiene)]`")), - (removed, pub_macro_rules, "1.53.0", Some(78855), None, + (removed, pub_macro_rules, "1.53.0", Some(78855), Some("removed due to being incomplete, in particular it does not work across crates")), - (removed, pushpop_unsafe, "1.2.0", None, None, None), - (removed, quad_precision_float, "1.0.0", None, None, None), - (removed, quote, "1.33.0", Some(29601), None, None), - (removed, reflect, "1.0.0", Some(27749), None, None), + (removed, pushpop_unsafe, "1.2.0", None, None), + (removed, quad_precision_float, "1.0.0", None, None), + (removed, quote, "1.33.0", Some(29601), None), + (removed, reflect, "1.0.0", Some(27749), None), /// Allows using the `#[register_attr]` attribute. - (removed, register_attr, "1.65.0", Some(66080), None, + (removed, register_attr, "1.65.0", Some(66080), Some("removed in favor of `#![register_tool]`")), + (removed, rust_2018_preview, "CURRENT_RUSTC_VERSION", None, + Some("2018 Edition preview is no longer relevant")), /// Allows using the macros: /// + `__diagnostic_used` /// + `__register_diagnostic` /// +`__build_diagnostic_array` - (removed, rustc_diagnostic_macros, "1.38.0", None, None, None), + (removed, rustc_diagnostic_macros, "1.38.0", None, None), /// Allows identifying crates that contain sanitizer runtimes. - (removed, sanitizer_runtime, "1.17.0", None, None, None), - (removed, simd, "1.0.0", Some(27731), None, + (removed, sanitizer_runtime, "1.17.0", None, None), + (removed, simd, "1.0.0", Some(27731), Some("removed in favor of `#[repr(simd)]`")), /// Allows `#[link(kind = "static-nobundle", ...)]`. - (removed, static_nobundle, "1.16.0", Some(37403), None, + (removed, static_nobundle, "1.16.0", Some(37403), Some(r#"subsumed by `#[link(kind = "static", modifiers = "-bundle", ...)]`"#)), - (removed, struct_inherit, "1.0.0", None, None, None), - (removed, test_removed_feature, "1.0.0", None, None, None), + (removed, struct_inherit, "1.0.0", None, None), + (removed, test_removed_feature, "1.0.0", None, None), /// Allows using items which are missing stability attributes - (removed, unmarked_api, "1.0.0", None, None, None), - (removed, unsafe_no_drop_flag, "1.0.0", None, None, None), + (removed, unmarked_api, "1.0.0", None, None), + (removed, unsafe_no_drop_flag, "1.0.0", None, None), /// Allows `union` fields that don't implement `Copy` as long as they don't have any drop glue. - (removed, untagged_unions, "1.13.0", Some(55149), None, + (removed, untagged_unions, "1.13.0", Some(55149), Some("unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more")), /// Allows `#[unwind(..)]`. /// /// Permits specifying whether a function should permit unwinding or abort on unwind. - (removed, unwind_attributes, "1.56.0", Some(58760), None, Some("use the C-unwind ABI instead")), - (removed, visible_private_types, "1.0.0", None, None, None), + (removed, unwind_attributes, "1.56.0", Some(58760), Some("use the C-unwind ABI instead")), + (removed, visible_private_types, "1.0.0", None, None), // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way. // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 365a16e6838..bbf5e031175 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -3,7 +3,6 @@ use super::{to_nonzero, Feature}; use rustc_data_structures::fx::FxHashSet; -use rustc_span::edition::Edition; use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; @@ -33,7 +32,7 @@ macro_rules! status_to_enum { macro_rules! declare_features { ($( - $(#[doc = $doc:tt])* ($status:ident, $feature:ident, $ver:expr, $issue:expr, $edition:expr), + $(#[doc = $doc:tt])* ($status:ident, $feature:ident, $ver:expr, $issue:expr), )+) => { /// Unstable language features that are being implemented or being /// considered for acceptance (stabilization) or removal. @@ -43,7 +42,6 @@ macro_rules! declare_features { name: sym::$feature, since: $ver, issue: to_nonzero($issue), - edition: $edition, }, // Sets this feature's corresponding bool within `features`. set_enabled: |features| features.$feature = true, @@ -102,8 +100,7 @@ macro_rules! declare_features { self.declared_features.contains(&feature) } - /// Is the given feature active, i.e. declared or automatically - /// enabled due to the edition? + /// Is the given feature active (enabled by the user)? /// /// Panics if the symbol doesn't correspond to a declared feature. pub fn active(&self, feature: Symbol) -> bool { @@ -179,58 +176,56 @@ declare_features! ( // no-tracking-issue-start /// Allows using the `unadjusted` ABI; perma-unstable. - (internal, abi_unadjusted, "1.16.0", None, None), + (internal, abi_unadjusted, "1.16.0", None), /// Allows using the `vectorcall` ABI. - (unstable, abi_vectorcall, "1.7.0", None, None), + (unstable, abi_vectorcall, "1.7.0", None), /// Allows using `#![needs_allocator]`, an implementation detail of `#[global_allocator]`. - (internal, allocator_internals, "1.20.0", None, None), + (internal, allocator_internals, "1.20.0", None), /// Allows using `#[allow_internal_unsafe]`. This is an /// attribute on `macro_rules!` and can't use the attribute handling /// below (it has to be checked before expansion possibly makes /// macros disappear). - (internal, allow_internal_unsafe, "1.0.0", None, None), + (internal, allow_internal_unsafe, "1.0.0", None), /// Allows using `#[allow_internal_unstable]`. This is an /// attribute on `macro_rules!` and can't use the attribute handling /// below (it has to be checked before expansion possibly makes /// macros disappear). - (internal, allow_internal_unstable, "1.0.0", None, None), + (internal, allow_internal_unstable, "1.0.0", None), /// Allows using anonymous lifetimes in argument-position impl-trait. - (unstable, anonymous_lifetime_in_impl_trait, "1.63.0", None, None), + (unstable, anonymous_lifetime_in_impl_trait, "1.63.0", None), /// Allows identifying the `compiler_builtins` crate. - (internal, compiler_builtins, "1.13.0", None, None), + (internal, compiler_builtins, "1.13.0", None), /// Allows writing custom MIR - (internal, custom_mir, "1.65.0", None, None), + (internal, custom_mir, "1.65.0", None), /// Outputs useful `assert!` messages - (unstable, generic_assert, "1.63.0", None, None), + (unstable, generic_assert, "1.63.0", None), /// Allows using the `rust-intrinsic`'s "ABI". - (internal, intrinsics, "1.0.0", None, None), + (internal, intrinsics, "1.0.0", None), /// Allows using `#[lang = ".."]` attribute for linking items to special compiler logic. - (internal, lang_items, "1.0.0", None, None), + (internal, lang_items, "1.0.0", None), /// Changes `impl Trait` to capture all lifetimes in scope. - (unstable, lifetime_capture_rules_2024, "CURRENT_RUSTC_VERSION", None, None), + (unstable, lifetime_capture_rules_2024, "CURRENT_RUSTC_VERSION", None), /// Allows `#[link(..., cfg(..))]`; perma-unstable per #37406 - (unstable, link_cfg, "1.14.0", None, None), + (unstable, link_cfg, "1.14.0", None), /// Allows the `multiple_supertrait_upcastable` lint. - (unstable, multiple_supertrait_upcastable, "1.69.0", None, None), + (unstable, multiple_supertrait_upcastable, "1.69.0", None), /// Allow negative trait bounds. This is an internal-only feature for testing the trait solver! - (incomplete, negative_bounds, "1.71.0", None, None), + (incomplete, negative_bounds, "1.71.0", None), /// Allows using `#[omit_gdb_pretty_printer_section]`. - (internal, omit_gdb_pretty_printer_section, "1.5.0", None, None), + (internal, omit_gdb_pretty_printer_section, "1.5.0", None), /// Allows using `#[prelude_import]` on glob `use` items. - (internal, prelude_import, "1.2.0", None, None), + (internal, prelude_import, "1.2.0", None), /// Used to identify crates that contain the profiler runtime. - (internal, profiler_runtime, "1.18.0", None, None), + (internal, profiler_runtime, "1.18.0", None), /// Allows using `rustc_*` attributes (RFC 572). - (internal, rustc_attrs, "1.0.0", None, None), + (internal, rustc_attrs, "1.0.0", None), /// Allows using the `#[stable]` and `#[unstable]` attributes. - (internal, staged_api, "1.0.0", None, None), - /// Added for testing E0705; perma-unstable. - (internal, test_2018_feature, "1.31.0", None, Some(Edition::Edition2018)), + (internal, staged_api, "1.0.0", None), /// Added for testing unstable lints; perma-unstable. - (internal, test_unstable_lint, "1.60.0", None, None), + (internal, test_unstable_lint, "1.60.0", None), /// Use for stable + negative coherence and strict coherence depending on trait's /// rustc_strict_coherence value. - (unstable, with_negative_coherence, "1.60.0", None, None), + (unstable, with_negative_coherence, "1.60.0", None), // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way. // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! @@ -246,44 +241,44 @@ declare_features! ( /// Allows features specific to auto traits. /// Renamed from `optin_builtin_traits`. - (unstable, auto_traits, "1.50.0", Some(13231), None), + (unstable, auto_traits, "1.50.0", Some(13231)), /// Allows using `box` in patterns (RFC 469). - (unstable, box_patterns, "1.0.0", Some(29641), None), + (unstable, box_patterns, "1.0.0", Some(29641)), /// Allows `#[doc(notable_trait)]`. /// Renamed from `doc_spotlight`. - (unstable, doc_notable_trait, "1.52.0", Some(45040), None), + (unstable, doc_notable_trait, "1.52.0", Some(45040)), /// Allows using the `may_dangle` attribute (RFC 1327). - (unstable, dropck_eyepatch, "1.10.0", Some(34761), None), + (unstable, dropck_eyepatch, "1.10.0", Some(34761)), /// Allows using the `#[fundamental]` attribute. - (unstable, fundamental, "1.0.0", Some(29635), None), + (unstable, fundamental, "1.0.0", Some(29635)), /// Allows using `#[link_name="llvm.*"]`. - (internal, link_llvm_intrinsics, "1.0.0", Some(29602), None), + (internal, link_llvm_intrinsics, "1.0.0", Some(29602)), /// Allows using the `#[linkage = ".."]` attribute. - (unstable, linkage, "1.0.0", Some(29603), None), + (unstable, linkage, "1.0.0", Some(29603)), /// Allows declaring with `#![needs_panic_runtime]` that a panic runtime is needed. - (internal, needs_panic_runtime, "1.10.0", Some(32837), None), + (internal, needs_panic_runtime, "1.10.0", Some(32837)), /// Allows using the `#![panic_runtime]` attribute. - (internal, panic_runtime, "1.10.0", Some(32837), None), + (internal, panic_runtime, "1.10.0", Some(32837)), /// Allows `extern "platform-intrinsic" { ... }`. - (internal, platform_intrinsics, "1.4.0", Some(27731), None), + (internal, platform_intrinsics, "1.4.0", Some(27731)), /// Allows using `#[rustc_allow_const_fn_unstable]`. /// This is an attribute on `const fn` for the same /// purpose as `#[allow_internal_unstable]`. - (internal, rustc_allow_const_fn_unstable, "1.49.0", Some(69399), None), + (internal, rustc_allow_const_fn_unstable, "1.49.0", Some(69399)), /// Allows using compiler's own crates. - (unstable, rustc_private, "1.0.0", Some(27812), None), + (unstable, rustc_private, "1.0.0", Some(27812)), /// Allows using internal rustdoc features like `doc(keyword)`. - (internal, rustdoc_internals, "1.58.0", Some(90418), None), + (internal, rustdoc_internals, "1.58.0", Some(90418)), /// Allows using the `rustdoc::missing_doc_code_examples` lint - (unstable, rustdoc_missing_doc_code_examples, "1.31.0", Some(101730), None), + (unstable, rustdoc_missing_doc_code_examples, "1.31.0", Some(101730)), /// Allows using `#[start]` on a function indicating that it is the program entrypoint. - (unstable, start, "1.0.0", Some(29633), None), + (unstable, start, "1.0.0", Some(29633)), /// Allows using `#[structural_match]` which indicates that a type is structurally matchable. /// FIXME: Subsumed by trait `StructuralPartialEq`, cannot move to removed until a library /// feature with the same name exists. - (unstable, structural_match, "1.8.0", Some(31434), None), + (unstable, structural_match, "1.8.0", Some(31434)), /// Allows using the `rust-call` ABI. - (unstable, unboxed_closures, "1.0.0", Some(29625), None), + (unstable, unboxed_closures, "1.0.0", Some(29625)), // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way. // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! @@ -299,21 +294,21 @@ declare_features! ( // FIXME: Document these and merge with the list below. // Unstable `#[target_feature]` directives. - (unstable, aarch64_ver_target_feature, "1.27.0", Some(44839), None), - (unstable, arm_target_feature, "1.27.0", Some(44839), None), - (unstable, avx512_target_feature, "1.27.0", Some(44839), None), - (unstable, bpf_target_feature, "1.54.0", Some(44839), None), - (unstable, csky_target_feature, "1.73.0", Some(44839), None), - (unstable, ermsb_target_feature, "1.49.0", Some(44839), None), - (unstable, hexagon_target_feature, "1.27.0", Some(44839), None), - (unstable, loongarch_target_feature, "1.73.0", Some(44839), None), - (unstable, mips_target_feature, "1.27.0", Some(44839), None), - (unstable, powerpc_target_feature, "1.27.0", Some(44839), None), - (unstable, riscv_target_feature, "1.45.0", Some(44839), None), - (unstable, rtm_target_feature, "1.35.0", Some(44839), None), - (unstable, sse4a_target_feature, "1.27.0", Some(44839), None), - (unstable, tbm_target_feature, "1.27.0", Some(44839), None), - (unstable, wasm_target_feature, "1.30.0", Some(44839), None), + (unstable, aarch64_ver_target_feature, "1.27.0", Some(44839)), + (unstable, arm_target_feature, "1.27.0", Some(44839)), + (unstable, avx512_target_feature, "1.27.0", Some(44839)), + (unstable, bpf_target_feature, "1.54.0", Some(44839)), + (unstable, csky_target_feature, "1.73.0", Some(44839)), + (unstable, ermsb_target_feature, "1.49.0", Some(44839)), + (unstable, hexagon_target_feature, "1.27.0", Some(44839)), + (unstable, loongarch_target_feature, "1.73.0", Some(44839)), + (unstable, mips_target_feature, "1.27.0", Some(44839)), + (unstable, powerpc_target_feature, "1.27.0", Some(44839)), + (unstable, riscv_target_feature, "1.45.0", Some(44839)), + (unstable, rtm_target_feature, "1.35.0", Some(44839)), + (unstable, sse4a_target_feature, "1.27.0", Some(44839)), + (unstable, tbm_target_feature, "1.27.0", Some(44839)), + (unstable, wasm_target_feature, "1.30.0", Some(44839)), // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way. // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! @@ -327,295 +322,295 @@ declare_features! ( // ------------------------------------------------------------------------- /// Allows using the `amdgpu-kernel` ABI. - (unstable, abi_amdgpu_kernel, "1.29.0", Some(51575), None), + (unstable, abi_amdgpu_kernel, "1.29.0", Some(51575)), /// Allows `extern "avr-interrupt" fn()` and `extern "avr-non-blocking-interrupt" fn()`. - (unstable, abi_avr_interrupt, "1.45.0", Some(69664), None), + (unstable, abi_avr_interrupt, "1.45.0", Some(69664)), /// Allows `extern "C-cmse-nonsecure-call" fn()`. - (unstable, abi_c_cmse_nonsecure_call, "1.51.0", Some(81391), None), + (unstable, abi_c_cmse_nonsecure_call, "1.51.0", Some(81391)), /// Allows `extern "msp430-interrupt" fn()`. - (unstable, abi_msp430_interrupt, "1.16.0", Some(38487), None), + (unstable, abi_msp430_interrupt, "1.16.0", Some(38487)), /// Allows `extern "ptx-*" fn()`. - (unstable, abi_ptx, "1.15.0", Some(38788), None), + (unstable, abi_ptx, "1.15.0", Some(38788)), /// Allows `extern "riscv-interrupt-m" fn()` and `extern "riscv-interrupt-s" fn()`. - (unstable, abi_riscv_interrupt, "1.73.0", Some(111889), None), + (unstable, abi_riscv_interrupt, "1.73.0", Some(111889)), /// Allows `extern "x86-interrupt" fn()`. - (unstable, abi_x86_interrupt, "1.17.0", Some(40180), None), + (unstable, abi_x86_interrupt, "1.17.0", Some(40180)), /// Allows additional const parameter types, such as `&'static str` or user defined types - (incomplete, adt_const_params, "1.56.0", Some(95174), None), + (incomplete, adt_const_params, "1.56.0", Some(95174)), /// Allows defining an `#[alloc_error_handler]`. - (unstable, alloc_error_handler, "1.29.0", Some(51540), None), + (unstable, alloc_error_handler, "1.29.0", Some(51540)), /// Allows trait methods with arbitrary self types. - (unstable, arbitrary_self_types, "1.23.0", Some(44874), None), + (unstable, arbitrary_self_types, "1.23.0", Some(44874)), /// Allows using `const` operands in inline assembly. - (unstable, asm_const, "1.58.0", Some(93332), None), + (unstable, asm_const, "1.58.0", Some(93332)), /// Enables experimental inline assembly support for additional architectures. - (unstable, asm_experimental_arch, "1.58.0", Some(93335), None), + (unstable, asm_experimental_arch, "1.58.0", Some(93335)), /// Allows the `may_unwind` option in inline assembly. - (unstable, asm_unwind, "1.58.0", Some(93334), None), + (unstable, asm_unwind, "1.58.0", Some(93334)), /// Allows users to enforce equality of associated constants `TraitImpl<AssocConst=3>`. - (unstable, associated_const_equality, "1.58.0", Some(92827), None), + (unstable, associated_const_equality, "1.58.0", Some(92827)), /// Allows the user of associated type bounds. - (unstable, associated_type_bounds, "1.34.0", Some(52662), None), + (unstable, associated_type_bounds, "1.34.0", Some(52662)), /// Allows associated type defaults. - (unstable, associated_type_defaults, "1.2.0", Some(29661), None), + (unstable, associated_type_defaults, "1.2.0", Some(29661)), /// Allows `async || body` closures. - (unstable, async_closure, "1.37.0", Some(62290), None), + (unstable, async_closure, "1.37.0", Some(62290)), /// Allows `#[track_caller]` on async functions. - (unstable, async_fn_track_caller, "1.73.0", Some(110011), None), + (unstable, async_fn_track_caller, "1.73.0", Some(110011)), /// Allows builtin # foo() syntax - (unstable, builtin_syntax, "1.71.0", Some(110680), None), + (unstable, builtin_syntax, "1.71.0", Some(110680)), /// Treat `extern "C"` function as nounwind. - (unstable, c_unwind, "1.52.0", Some(74990), None), + (unstable, c_unwind, "1.52.0", Some(74990)), /// Allows using C-variadics. - (unstable, c_variadic, "1.34.0", Some(44930), None), + (unstable, c_variadic, "1.34.0", Some(44930)), /// Allows the use of `#[cfg(overflow_checks)` to check if integer overflow behaviour. - (unstable, cfg_overflow_checks, "1.71.0", Some(111466), None), + (unstable, cfg_overflow_checks, "1.71.0", Some(111466)), /// Provides the relocation model information as cfg entry - (unstable, cfg_relocation_model, "1.73.0", Some(114929), None), + (unstable, cfg_relocation_model, "1.73.0", Some(114929)), /// Allows the use of `#[cfg(sanitize = "option")]`; set when -Zsanitizer is used. - (unstable, cfg_sanitize, "1.41.0", Some(39699), None), + (unstable, cfg_sanitize, "1.41.0", Some(39699)), /// Allows `cfg(target_abi = "...")`. - (unstable, cfg_target_abi, "1.55.0", Some(80970), None), + (unstable, cfg_target_abi, "1.55.0", Some(80970)), /// Allows `cfg(target(abi = "..."))`. - (unstable, cfg_target_compact, "1.63.0", Some(96901), None), + (unstable, cfg_target_compact, "1.63.0", Some(96901)), /// Allows `cfg(target_has_atomic_load_store = "...")`. - (unstable, cfg_target_has_atomic, "1.60.0", Some(94039), None), + (unstable, cfg_target_has_atomic, "1.60.0", Some(94039)), /// Allows `cfg(target_has_atomic_equal_alignment = "...")`. - (unstable, cfg_target_has_atomic_equal_alignment, "1.60.0", Some(93822), None), + (unstable, cfg_target_has_atomic_equal_alignment, "1.60.0", Some(93822)), /// Allows `cfg(target_thread_local)`. - (unstable, cfg_target_thread_local, "1.7.0", Some(29594), None), + (unstable, cfg_target_thread_local, "1.7.0", Some(29594)), /// Allow conditional compilation depending on rust version - (unstable, cfg_version, "1.45.0", Some(64796), None), + (unstable, cfg_version, "1.45.0", Some(64796)), /// Allows to use the `#[cfi_encoding = ""]` attribute. - (unstable, cfi_encoding, "1.71.0", Some(89653), None), + (unstable, cfi_encoding, "1.71.0", Some(89653)), /// Allows `for<...>` on closures and coroutines. - (unstable, closure_lifetime_binder, "1.64.0", Some(97362), None), + (unstable, closure_lifetime_binder, "1.64.0", Some(97362)), /// Allows `#[track_caller]` on closures and coroutines. - (unstable, closure_track_caller, "1.57.0", Some(87417), None), + (unstable, closure_track_caller, "1.57.0", Some(87417)), /// Allows to use the `#[cmse_nonsecure_entry]` attribute. - (unstable, cmse_nonsecure_entry, "1.48.0", Some(75835), None), + (unstable, cmse_nonsecure_entry, "1.48.0", Some(75835)), /// Allows use of the `#[collapse_debuginfo]` attribute. - (unstable, collapse_debuginfo, "1.65.0", Some(100758), None), + (unstable, collapse_debuginfo, "1.65.0", Some(100758)), /// Allows `async {}` expressions in const contexts. - (unstable, const_async_blocks, "1.53.0", Some(85368), None), + (unstable, const_async_blocks, "1.53.0", Some(85368)), /// Allows `const || {}` closures in const contexts. - (incomplete, const_closures, "1.68.0", Some(106003), None), + (incomplete, const_closures, "1.68.0", Some(106003)), /// Allows the definition of `const extern fn` and `const unsafe extern fn`. - (unstable, const_extern_fn, "1.40.0", Some(64926), None), + (unstable, const_extern_fn, "1.40.0", Some(64926)), /// Allows basic arithmetic on floating point types in a `const fn`. - (unstable, const_fn_floating_point_arithmetic, "1.48.0", Some(57241), None), + (unstable, const_fn_floating_point_arithmetic, "1.48.0", Some(57241)), /// Allows `for _ in _` loops in const contexts. - (unstable, const_for, "1.56.0", Some(87575), None), + (unstable, const_for, "1.56.0", Some(87575)), /// Allows using `&mut` in constant functions. - (unstable, const_mut_refs, "1.41.0", Some(57349), None), + (unstable, const_mut_refs, "1.41.0", Some(57349)), /// Be more precise when looking for live drops in a const context. - (unstable, const_precise_live_drops, "1.46.0", Some(73255), None), + (unstable, const_precise_live_drops, "1.46.0", Some(73255)), /// Allows references to types with interior mutability within constants - (unstable, const_refs_to_cell, "1.51.0", Some(80384), None), + (unstable, const_refs_to_cell, "1.51.0", Some(80384)), /// Allows `impl const Trait for T` syntax. - (unstable, const_trait_impl, "1.42.0", Some(67792), None), + (unstable, const_trait_impl, "1.42.0", Some(67792)), /// Allows the `?` operator in const contexts. - (unstable, const_try, "1.56.0", Some(74935), None), + (unstable, const_try, "1.56.0", Some(74935)), /// Allows coroutines to be cloned. - (unstable, coroutine_clone, "1.65.0", Some(95360), None), + (unstable, coroutine_clone, "1.65.0", Some(95360)), /// Allows defining coroutines. - (unstable, coroutines, "1.21.0", Some(43122), None), + (unstable, coroutines, "1.21.0", Some(43122)), /// Allows function attribute `#[coverage(on/off)]`, to control coverage /// instrumentation of that function. - (unstable, coverage_attribute, "1.74.0", Some(84605), None), + (unstable, coverage_attribute, "1.74.0", Some(84605)), /// Allows users to provide classes for fenced code block using `class:classname`. - (unstable, custom_code_classes_in_docs, "1.74.0", Some(79483), None), + (unstable, custom_code_classes_in_docs, "1.74.0", Some(79483)), /// Allows non-builtin attributes in inner attribute position. - (unstable, custom_inner_attributes, "1.30.0", Some(54726), None), + (unstable, custom_inner_attributes, "1.30.0", Some(54726)), /// Allows custom test frameworks with `#![test_runner]` and `#[test_case]`. - (unstable, custom_test_frameworks, "1.30.0", Some(50297), None), + (unstable, custom_test_frameworks, "1.30.0", Some(50297)), /// Allows declarative macros 2.0 (`macro`). - (unstable, decl_macro, "1.17.0", Some(39412), None), + (unstable, decl_macro, "1.17.0", Some(39412)), /// Allows default type parameters to influence type inference. - (unstable, default_type_parameter_fallback, "1.3.0", Some(27336), None), + (unstable, default_type_parameter_fallback, "1.3.0", Some(27336)), /// Allows using `#[deprecated_safe]` to deprecate the safeness of a function or trait - (unstable, deprecated_safe, "1.61.0", Some(94978), None), + (unstable, deprecated_safe, "1.61.0", Some(94978)), /// Allows having using `suggestion` in the `#[deprecated]` attribute. - (unstable, deprecated_suggestion, "1.61.0", Some(94785), None), + (unstable, deprecated_suggestion, "1.61.0", Some(94785)), /// Allows using the `#[diagnostic]` attribute tool namespace - (unstable, diagnostic_namespace, "1.73.0", Some(111996), None), + (unstable, diagnostic_namespace, "1.73.0", Some(111996)), /// Controls errors in trait implementations. - (unstable, do_not_recommend, "1.67.0", Some(51992), None), + (unstable, do_not_recommend, "1.67.0", Some(51992)), /// Tells rustdoc to automatically generate `#[doc(cfg(...))]`. - (unstable, doc_auto_cfg, "1.58.0", Some(43781), None), + (unstable, doc_auto_cfg, "1.58.0", Some(43781)), /// Allows `#[doc(cfg(...))]`. - (unstable, doc_cfg, "1.21.0", Some(43781), None), + (unstable, doc_cfg, "1.21.0", Some(43781)), /// Allows `#[doc(cfg_hide(...))]`. - (unstable, doc_cfg_hide, "1.57.0", Some(43781), None), + (unstable, doc_cfg_hide, "1.57.0", Some(43781)), /// Allows `#[doc(masked)]`. - (unstable, doc_masked, "1.21.0", Some(44027), None), + (unstable, doc_masked, "1.21.0", Some(44027)), /// Allows `dyn* Trait` objects. - (incomplete, dyn_star, "1.65.0", Some(102425), None), + (incomplete, dyn_star, "1.65.0", Some(102425)), // Uses generic effect parameters for ~const bounds - (unstable, effects, "1.72.0", Some(102090), None), + (unstable, effects, "1.72.0", Some(102090)), /// Allows `X..Y` patterns. - (unstable, exclusive_range_pattern, "1.11.0", Some(37854), None), + (unstable, exclusive_range_pattern, "1.11.0", Some(37854)), /// Allows exhaustive pattern matching on types that contain uninhabited types. - (unstable, exhaustive_patterns, "1.13.0", Some(51085), None), + (unstable, exhaustive_patterns, "1.13.0", Some(51085)), /// Allows explicit tail calls via `become` expression. - (incomplete, explicit_tail_calls, "1.72.0", Some(112788), None), + (incomplete, explicit_tail_calls, "1.72.0", Some(112788)), /// Allows using `efiapi`, `sysv64` and `win64` as calling convention /// for functions with varargs. - (unstable, extended_varargs_abi_support, "1.65.0", Some(100189), None), + (unstable, extended_varargs_abi_support, "1.65.0", Some(100189)), /// Allows defining `extern type`s. - (unstable, extern_types, "1.23.0", Some(43467), None), + (unstable, extern_types, "1.23.0", Some(43467)), /// Allows the use of `#[ffi_const]` on foreign functions. - (unstable, ffi_const, "1.45.0", Some(58328), None), + (unstable, ffi_const, "1.45.0", Some(58328)), /// Allows the use of `#[ffi_pure]` on foreign functions. - (unstable, ffi_pure, "1.45.0", Some(58329), None), + (unstable, ffi_pure, "1.45.0", Some(58329)), /// Allows using `#[ffi_returns_twice]` on foreign functions. - (unstable, ffi_returns_twice, "1.34.0", Some(58314), None), + (unstable, ffi_returns_twice, "1.34.0", Some(58314)), /// Allows using `#[repr(align(...))]` on function items - (unstable, fn_align, "1.53.0", Some(82232), None), + (unstable, fn_align, "1.53.0", Some(82232)), /// Support delegating implementation of functions to other already implemented functions. - (incomplete, fn_delegation, "CURRENT_RUSTC_VERSION", Some(118212), None), + (incomplete, fn_delegation, "CURRENT_RUSTC_VERSION", Some(118212)), /// Allows defining gen blocks and `gen fn`. - (unstable, gen_blocks, "1.75.0", Some(117078), None), + (unstable, gen_blocks, "1.75.0", Some(117078)), /// Infer generic args for both consts and types. - (unstable, generic_arg_infer, "1.55.0", Some(85077), None), + (unstable, generic_arg_infer, "1.55.0", Some(85077)), /// An extension to the `generic_associated_types` feature, allowing incomplete features. - (incomplete, generic_associated_types_extended, "1.61.0", Some(95451), None), + (incomplete, generic_associated_types_extended, "1.61.0", Some(95451)), /// Allows non-trivial generic constants which have to have wfness manually propagated to callers - (incomplete, generic_const_exprs, "1.56.0", Some(76560), None), + (incomplete, generic_const_exprs, "1.56.0", Some(76560)), /// Allows generic parameters and where-clauses on free & associated const items. - (incomplete, generic_const_items, "1.73.0", Some(113521), None), + (incomplete, generic_const_items, "1.73.0", Some(113521)), /// Allows using `..=X` as a patterns in slices. - (unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264), None), + (unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264)), /// Allows `if let` guard in match arms. - (unstable, if_let_guard, "1.47.0", Some(51114), None), + (unstable, if_let_guard, "1.47.0", Some(51114)), /// Allows `impl Trait` to be used inside associated types (RFC 2515). - (unstable, impl_trait_in_assoc_type, "1.70.0", Some(63063), None), + (unstable, impl_trait_in_assoc_type, "1.70.0", Some(63063)), /// Allows `impl Trait` as output type in `Fn` traits in return position of functions. - (unstable, impl_trait_in_fn_trait_return, "1.64.0", Some(99697), None), + (unstable, impl_trait_in_fn_trait_return, "1.64.0", Some(99697)), /// Allows using imported `main` function - (unstable, imported_main, "1.53.0", Some(28937), None), + (unstable, imported_main, "1.53.0", Some(28937)), /// Allows associated types in inherent impls. - (incomplete, inherent_associated_types, "1.52.0", Some(8995), None), + (incomplete, inherent_associated_types, "1.52.0", Some(8995)), /// Allow anonymous constants from an inline `const` block - (unstable, inline_const, "1.49.0", Some(76001), None), + (unstable, inline_const, "1.49.0", Some(76001)), /// Allow anonymous constants from an inline `const` block in pattern position - (incomplete, inline_const_pat, "1.58.0", Some(76001), None), + (incomplete, inline_const_pat, "1.58.0", Some(76001)), /// Allows using `pointer` and `reference` in intra-doc links - (unstable, intra_doc_pointers, "1.51.0", Some(80896), None), + (unstable, intra_doc_pointers, "1.51.0", Some(80896)), // Allows setting the threshold for the `large_assignments` lint. - (unstable, large_assignments, "1.52.0", Some(83518), None), + (unstable, large_assignments, "1.52.0", Some(83518)), /// Allow to have type alias types for inter-crate use. - (incomplete, lazy_type_alias, "1.72.0", Some(112792), None), + (incomplete, lazy_type_alias, "1.72.0", Some(112792)), /// Allows `if/while p && let q = r && ...` chains. - (unstable, let_chains, "1.37.0", Some(53667), None), + (unstable, let_chains, "1.37.0", Some(53667)), /// Allows using `#[link(kind = "link-arg", name = "...")]` /// to pass custom arguments to the linker. - (unstable, link_arg_attribute, "CURRENT_RUSTC_VERSION", Some(99427), None), + (unstable, link_arg_attribute, "CURRENT_RUSTC_VERSION", Some(99427)), /// Allows using `reason` in lint attributes and the `#[expect(lint)]` lint check. - (unstable, lint_reasons, "1.31.0", Some(54503), None), + (unstable, lint_reasons, "1.31.0", Some(54503)), /// Give access to additional metadata about declarative macro meta-variables. - (unstable, macro_metavar_expr, "1.61.0", Some(83527), None), + (unstable, macro_metavar_expr, "1.61.0", Some(83527)), /// Allows `#[marker]` on certain traits allowing overlapping implementations. - (unstable, marker_trait_attr, "1.30.0", Some(29864), None), + (unstable, marker_trait_attr, "1.30.0", Some(29864)), /// A minimal, sound subset of specialization intended to be used by the /// standard library until the soundness issues with specialization /// are fixed. - (unstable, min_specialization, "1.7.0", Some(31844), None), + (unstable, min_specialization, "1.7.0", Some(31844)), /// Allows qualified paths in struct expressions, struct patterns and tuple struct patterns. - (unstable, more_qualified_paths, "1.54.0", Some(86935), None), + (unstable, more_qualified_paths, "1.54.0", Some(86935)), /// Allows the `#[must_not_suspend]` attribute. - (unstable, must_not_suspend, "1.57.0", Some(83310), None), + (unstable, must_not_suspend, "1.57.0", Some(83310)), /// Allows using `#[naked]` on functions. - (unstable, naked_functions, "1.9.0", Some(32408), None), + (unstable, naked_functions, "1.9.0", Some(32408)), /// Allows specifying the as-needed link modifier - (unstable, native_link_modifiers_as_needed, "1.53.0", Some(81490), None), + (unstable, native_link_modifiers_as_needed, "1.53.0", Some(81490)), /// Allow negative trait implementations. - (unstable, negative_impls, "1.44.0", Some(68318), None), + (unstable, negative_impls, "1.44.0", Some(68318)), /// Allows the `!` pattern. - (incomplete, never_patterns, "CURRENT_RUSTC_VERSION", Some(118155), None), + (incomplete, never_patterns, "CURRENT_RUSTC_VERSION", Some(118155)), /// Allows the `!` type. Does not imply 'exhaustive_patterns' (below) any more. - (unstable, never_type, "1.13.0", Some(35121), None), + (unstable, never_type, "1.13.0", Some(35121)), /// Allows diverging expressions to fall back to `!` rather than `()`. - (unstable, never_type_fallback, "1.41.0", Some(65992), None), + (unstable, never_type_fallback, "1.41.0", Some(65992)), /// Allows `#![no_core]`. - (unstable, no_core, "1.3.0", Some(29639), None), + (unstable, no_core, "1.3.0", Some(29639)), /// Allows the use of `no_sanitize` attribute. - (unstable, no_sanitize, "1.42.0", Some(39699), None), + (unstable, no_sanitize, "1.42.0", Some(39699)), /// Allows using the `non_exhaustive_omitted_patterns` lint. - (unstable, non_exhaustive_omitted_patterns_lint, "1.57.0", Some(89554), None), + (unstable, non_exhaustive_omitted_patterns_lint, "1.57.0", Some(89554)), /// Allows `for<T>` binders in where-clauses - (incomplete, non_lifetime_binders, "1.69.0", Some(108185), None), + (incomplete, non_lifetime_binders, "1.69.0", Some(108185)), /// Allows making `dyn Trait` well-formed even if `Trait` is not object safe. /// In that case, `dyn Trait: Trait` does not hold. Moreover, coercions and /// casts in safe Rust to `dyn Trait` for such a `Trait` is also forbidden. - (unstable, object_safe_for_dispatch, "1.40.0", Some(43561), None), + (unstable, object_safe_for_dispatch, "1.40.0", Some(43561)), /// Allows using enums in offset_of! - (unstable, offset_of_enum, "1.75.0", Some(106655), None), + (unstable, offset_of_enum, "1.75.0", Some(106655)), /// Allows using `#[optimize(X)]`. - (unstable, optimize_attribute, "1.34.0", Some(54882), None), + (unstable, optimize_attribute, "1.34.0", Some(54882)), /// Allows macro attributes on expressions, statements and non-inline modules. - (unstable, proc_macro_hygiene, "1.30.0", Some(54727), None), + (unstable, proc_macro_hygiene, "1.30.0", Some(54727)), /// Allows `&raw const $place_expr` and `&raw mut $place_expr` expressions. - (unstable, raw_ref_op, "1.41.0", Some(64490), None), + (unstable, raw_ref_op, "1.41.0", Some(64490)), /// Allows using the `#[register_tool]` attribute. - (unstable, register_tool, "1.41.0", Some(66079), None), + (unstable, register_tool, "1.41.0", Some(66079)), /// Allows the `#[repr(i128)]` attribute for enums. - (incomplete, repr128, "1.16.0", Some(56071), None), + (incomplete, repr128, "1.16.0", Some(56071)), /// Allows `repr(simd)` and importing the various simd intrinsics. - (unstable, repr_simd, "1.4.0", Some(27731), None), + (unstable, repr_simd, "1.4.0", Some(27731)), /// Allows bounding the return type of AFIT/RPITIT. - (incomplete, return_type_notation, "1.70.0", Some(109417), None), + (incomplete, return_type_notation, "1.70.0", Some(109417)), /// Allows `extern "rust-cold"`. - (unstable, rust_cold_cc, "1.63.0", Some(97544), None), + (unstable, rust_cold_cc, "1.63.0", Some(97544)), /// Allows the use of SIMD types in functions declared in `extern` blocks. - (unstable, simd_ffi, "1.0.0", Some(27731), None), + (unstable, simd_ffi, "1.0.0", Some(27731)), /// Allows specialization of implementations (RFC 1210). - (incomplete, specialization, "1.7.0", Some(31844), None), + (incomplete, specialization, "1.7.0", Some(31844)), /// Allows attributes on expressions and non-item statements. - (unstable, stmt_expr_attributes, "1.6.0", Some(15701), None), + (unstable, stmt_expr_attributes, "1.6.0", Some(15701)), /// Allows lints part of the strict provenance effort. - (unstable, strict_provenance, "1.61.0", Some(95228), None), + (unstable, strict_provenance, "1.61.0", Some(95228)), /// Allows string patterns to dereference values to match them. - (unstable, string_deref_patterns, "1.67.0", Some(87121), None), + (unstable, string_deref_patterns, "1.67.0", Some(87121)), /// Allows the use of `#[target_feature]` on safe functions. - (unstable, target_feature_11, "1.45.0", Some(69098), None), + (unstable, target_feature_11, "1.45.0", Some(69098)), /// Allows using `#[thread_local]` on `static` items. - (unstable, thread_local, "1.0.0", Some(29594), None), + (unstable, thread_local, "1.0.0", Some(29594)), /// Allows defining `trait X = A + B;` alias items. - (unstable, trait_alias, "1.24.0", Some(41517), None), + (unstable, trait_alias, "1.24.0", Some(41517)), /// Allows for transmuting between arrays with sizes that contain generic consts. - (unstable, transmute_generic_consts, "1.70.0", Some(109929), None), + (unstable, transmute_generic_consts, "1.70.0", Some(109929)), /// Allows #[repr(transparent)] on unions (RFC 2645). - (unstable, transparent_unions, "1.37.0", Some(60405), None), + (unstable, transparent_unions, "1.37.0", Some(60405)), /// Allows inconsistent bounds in where clauses. - (unstable, trivial_bounds, "1.28.0", Some(48214), None), + (unstable, trivial_bounds, "1.28.0", Some(48214)), /// Allows using `try {...}` expressions. - (unstable, try_blocks, "1.29.0", Some(31436), None), + (unstable, try_blocks, "1.29.0", Some(31436)), /// Allows `impl Trait` to be used inside type aliases (RFC 2515). - (unstable, type_alias_impl_trait, "1.38.0", Some(63063), None), + (unstable, type_alias_impl_trait, "1.38.0", Some(63063)), /// Allows the use of type ascription in expressions. - (unstable, type_ascription, "1.6.0", Some(23416), None), + (unstable, type_ascription, "1.6.0", Some(23416)), /// Allows creation of instances of a struct by moving fields that have /// not changed from prior instances of the same struct (RFC #2528) - (unstable, type_changing_struct_update, "1.58.0", Some(86555), None), + (unstable, type_changing_struct_update, "1.58.0", Some(86555)), /// Allows using type privacy lints (`private_interfaces`, `private_bounds`, `unnameable_types`). - (unstable, type_privacy_lints, "1.72.0", Some(48054), None), + (unstable, type_privacy_lints, "1.72.0", Some(48054)), /// Enables rustc to generate code that instructs libstd to NOT ignore SIGPIPE. - (unstable, unix_sigpipe, "1.65.0", Some(97889), None), + (unstable, unix_sigpipe, "1.65.0", Some(97889)), /// Allows unnamed fields of struct and union type - (incomplete, unnamed_fields, "1.74.0", Some(49804), None), + (incomplete, unnamed_fields, "1.74.0", Some(49804)), /// Allows unsized fn parameters. - (unstable, unsized_fn_params, "1.49.0", Some(48055), None), + (unstable, unsized_fn_params, "1.49.0", Some(48055)), /// Allows unsized rvalues at arguments and parameters. - (incomplete, unsized_locals, "1.30.0", Some(48055), None), + (incomplete, unsized_locals, "1.30.0", Some(48055)), /// Allows unsized tuple coercion. - (unstable, unsized_tuple_coercion, "1.20.0", Some(42877), None), + (unstable, unsized_tuple_coercion, "1.20.0", Some(42877)), /// Allows using the `#[used(linker)]` (or `#[used(compiler)]`) attribute. - (unstable, used_with_arg, "1.60.0", Some(93798), None), + (unstable, used_with_arg, "1.60.0", Some(93798)), /// Allows `extern "wasm" fn` - (unstable, wasm_abi, "1.53.0", Some(83788), None), + (unstable, wasm_abi, "1.53.0", Some(83788)), /// Allows `do yeet` expressions - (unstable, yeet_expr, "1.62.0", Some(96373), None), + (unstable, yeet_expr, "1.62.0", Some(96373)), // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way. // !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! |