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| author | Deadbeef <ent3rm4n@gmail.com> | 2022-12-21 14:51:02 +0000 |
|---|---|---|
| committer | Deadbeef <ent3rm4n@gmail.com> | 2023-01-12 02:28:37 +0000 |
| commit | e7fea8c7e63cd60aa583e6ee761716bef9a7cc1a (patch) | |
| tree | 159bb53939c36097dc0b069caed4c242286a026d /compiler | |
| parent | 4fb10c0ce45673264d5dd428f4d5a4a389a2f1de (diff) | |
| download | rust-e7fea8c7e63cd60aa583e6ee761716bef9a7cc1a.tar.gz rust-e7fea8c7e63cd60aa583e6ee761716bef9a7cc1a.zip | |
gate const closures
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_ast_passes/src/feature_gate.rs | 8 | ||||
| -rw-r--r-- | compiler/rustc_feature/src/active.rs | 4 | ||||
| -rw-r--r-- | compiler/rustc_span/src/symbol.rs | 1 |
3 files changed, 12 insertions, 1 deletions
diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index 039338f543c..89ba6f936d1 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -385,6 +385,14 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { ast::ExprKind::TryBlock(_) => { gate_feature_post!(&self, try_blocks, e.span, "`try` expression is experimental"); } + ast::ExprKind::Closure(box ast::Closure { constness: ast::Const::Yes(_), .. }) => { + gate_feature_post!( + &self, + const_closures, + e.span, + "const closures are experimental" + ); + } _ => {} } visit::walk_expr(self, e) diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs index 691c0955cad..d6eda08f662 100644 --- a/compiler/rustc_feature/src/active.rs +++ b/compiler/rustc_feature/src/active.rs @@ -342,7 +342,9 @@ declare_features! ( (active, collapse_debuginfo, "1.65.0", Some(100758), None), /// Allows `async {}` expressions in const contexts. (active, const_async_blocks, "1.53.0", Some(85368), None), - // Allows limiting the evaluation steps of const expressions + /// Allows `const || {}` closures in const contexts. + (incomplete, const_closures, "CURRENT_RUSTC_VERSION", Some(106003), None), + /// Allows limiting the evaluation steps of const expressions (active, const_eval_limit, "1.43.0", Some(67217), None), /// Allows the definition of `const extern fn` and `const unsafe extern fn`. (active, const_extern_fn, "1.40.0", Some(64926), None), diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index fbb12701d96..706002f79b1 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -498,6 +498,7 @@ symbols! { console, const_allocate, const_async_blocks, + const_closures, const_compare_raw_pointers, const_constructor, const_deallocate, |