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This is in the matter of RFC 1940 and tracking issue #43302.
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Fixes #44771.
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Like #43008 (f668999), but _much more aggressive_.
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std: Correct stability attributes for some implementations
These are displayed by rustdoc so should be correct.
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This is intended to maintain existing standards of code organization
in hopes that the standard library will continue to be refactored to
isolate platform-specific bits, making porting easier; where "standard
library" roughly means "all the dependencies of the std and test
crates".
This generally means placing restrictions on where `cfg(unix)`,
`cfg(windows)`, `cfg(target_os)` and `cfg(target_env)` may appear,
the basic objective being to isolate platform-specific code to the
platform-specific `std::sys` modules, and to the allocation,
unwinding, and libc crates.
Following are the basic rules, though there are currently
exceptions:
- core may not have platform-specific code
- liballoc_system may have platform-specific code
- liballoc_jemalloc may have platform-specific code
- libpanic_abort may have platform-specific code
- libpanic_unwind may have platform-specific code
- other crates in the std facade may not
- std may have platform-specific code in the following places
- sys/unix/
- sys/windows/
- os/
There are plenty of exceptions today though, noted in the whitelist.
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These are displayed by rustdoc so should be correct.
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The deny(warnings) attribute is now enabled for tests so we need to weed out
these warnings as well.
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Minimal fix for https://github.com/rust-lang/rust/issues/30563
This covers all the public structs I think; except for Iter and
IntoIter, which I don't know if or how they should be handled.
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* Lots of core prelude imports removed
* Makefile support for MSVC env vars and Rust crates removed
* Makefile support for morestack removed
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The replacements are functions that usually use a single `mem::transmute` in
their body and restrict input and output via more concrete types than `T` and
`U`. Worth noting are the `transmute` functions for slices and the `from_utf8*`
family for mutable slices. Additionally, `mem::transmute` was often used for
casting raw pointers, when you can already cast raw pointers just fine with
`as`.
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This commit is an implementation of [RFC 1184][rfc] which tweaks the behavior of
the `#![no_std]` attribute and adds a new `#![no_core]` attribute. The
`#![no_std]` attribute now injects `extern crate core` at the top of the crate
as well as the libcore prelude into all modules (in the same manner as the
standard library's prelude). The `#![no_core]` attribute disables both std and
core injection.
[rfc]: https://github.com/rust-lang/rfcs/pull/1184
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An automated script was run against the `.rs` and `.md` files,
subsituting every occurrence of `task` with `thread`. In the `.rs`
files, only the texts in the comment blocks were affected.
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Changes the style guidelines regarding unit tests to recommend using a
sub-module named "tests" instead of "test" for unit tests as "test"
might clash with imports of libtest.
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This was necessary to avoid specialized `Drop` impls for the two structs.
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This brings comments in line with https://github.com/rust-lang/rfcs/blob/master/text/0505-api-comment-conventions.md#using-markdown
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This changes the type of some public constants/statics in libunicode.
Notably some `&'static &'static [(char, char)]` have changed
to `&'static [(char, char)]`. The regexp crate seems to be the
sole user of these, yet this is technically a [breaking-change]
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Adds some basic tests to check that the types still catch the most
glaring errors that could occur.
cc #22444.
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Conflicts:
src/libstd/sync/task_pool.rs
src/libstd/thread.rs
src/libtest/lib.rs
src/test/bench/shootout-reverse-complement.rs
src/test/bench/shootout-spectralnorm.rs
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In most places this preserves the current API by adding an explicit
`'static` bound.
Notably absent are some impls like `unsafe impl<T: Send> Send for
Foo<T>` and the `std::thread` module. It is likely that it will be
possible to remove these after auditing the code to ensure restricted
lifetimes are safe.
More progress on #22251.
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Remove incorrect claim, add example, reformat and re-word.
Fixes #22266
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There are a number of holes that the stability lint did not previously cover,
including:
* Types
* Bounds on type parameters on functions and impls
* Where clauses
* Imports
* Patterns (structs and enums)
These holes have all been fixed by overriding the `visit_path` function on the
AST visitor instead of a few specialized cases. This change also necessitated a
few stability changes:
* The `collections::fmt` module is now stable (it was already supposed to be).
* The `thread_local::imp::Key` type is now stable (it was already supposed to
be).
* The `std::rt::{begin_unwind, begin_unwind_fmt}` functions are now stable.
These are required via the `panic!` macro.
* The `std::old_io::stdio::{println, println_args}` functions are now stable.
These are required by the `print!` and `println!` macros.
* The `ops::{FnOnce, FnMut, Fn}` traits are now `#[stable]`. This is required to
make bounds with these traits stable. Note that manual implementations of
these traits are still gated by default, this stability only allows bounds
such as `F: FnOnce()`.
Additionally, the compiler now has special logic to ignore its own generated
`__test` module for the `--test` harness in terms of stability.
Closes #8962
Closes #16360
Closes #20327
[breaking-change]
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sed -i 's/in range(\([^,]*\), *\([^()]*\))/in \1\.\.\2/g' **/*.rs
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Conflicts:
mk/tests.mk
src/liballoc/arc.rs
src/liballoc/boxed.rs
src/liballoc/rc.rs
src/libcollections/bit.rs
src/libcollections/btree/map.rs
src/libcollections/btree/set.rs
src/libcollections/dlist.rs
src/libcollections/ring_buf.rs
src/libcollections/slice.rs
src/libcollections/str.rs
src/libcollections/string.rs
src/libcollections/vec.rs
src/libcollections/vec_map.rs
src/libcore/any.rs
src/libcore/array.rs
src/libcore/borrow.rs
src/libcore/error.rs
src/libcore/fmt/mod.rs
src/libcore/iter.rs
src/libcore/marker.rs
src/libcore/ops.rs
src/libcore/result.rs
src/libcore/slice.rs
src/libcore/str/mod.rs
src/libregex/lib.rs
src/libregex/re.rs
src/librustc/lint/builtin.rs
src/libstd/collections/hash/map.rs
src/libstd/collections/hash/set.rs
src/libstd/sync/mpsc/mod.rs
src/libstd/sync/mutex.rs
src/libstd/sync/poison.rs
src/libstd/sync/rwlock.rs
src/libsyntax/feature_gate.rs
src/libsyntax/test.rs
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* `core` - for the core crate
* `hash` - hashing
* `io` - io
* `path` - path
* `alloc` - alloc crate
* `rand` - rand crate
* `collections` - collections crate
* `std_misc` - other parts of std
* `test` - test crate
* `rustc_private` - everything else
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Conflicts:
src/libstd/sync/mpsc/select.rs
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This gets rid of the 'experimental' level, removes the non-staged_api
case (i.e. stability levels for out-of-tree crates), and lets the
staged_api attributes use 'unstable' and 'deprecated' lints.
This makes the transition period to the full feature staging design
a bit nicer.
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[breaking-change]
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