bjoernager/rust
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Fix old docs

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#41158
This commit is contained in:
alexey zabelin 2017-04-12 20:46:44 -04:00
parent 910c4816fd
commit a50737051a
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GPG key ID: 3A169985478324E9
2 changed files with 10 additions and 2 deletions
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8
src/doc/grammar.md
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@ -780,6 +780,14 @@ never_type : "!" ;
**FIXME:** grammar? **FIXME:** grammar?
### Type parameter bounds
```antlr
bound := ty_bound | lt_bound
lt_bound := lifetime
ty_bound := [?] [ for<lt_param_defs> ] simple_path
```
### Self types ### Self types
**FIXME:** grammar? **FIXME:** grammar?

4
src/libsyntax/parse/parser.rs
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@ -4066,7 +4066,7 @@ impl<'a> Parser<'a> {
}).emit(); }).emit();
} }
// Parse bounds of a type parameter `BOUND + BOUND + BOUND` without trailing `+`. // Parse bounds of a type parameter `BOUND + BOUND + BOUND`.
// BOUND = TY_BOUND | LT_BOUND // BOUND = TY_BOUND | LT_BOUND
// LT_BOUND = LIFETIME (e.g. `'a`) // LT_BOUND = LIFETIME (e.g. `'a`)
// TY_BOUND = [?] [for<LT_PARAM_DEFS>] SIMPLE_PATH (e.g. `?for<'a: 'b> m::Trait<'a>`) // TY_BOUND = [?] [for<LT_PARAM_DEFS>] SIMPLE_PATH (e.g. `?for<'a: 'b> m::Trait<'a>`)
@ -4107,7 +4107,7 @@ impl<'a> Parser<'a> {
self.parse_ty_param_bounds_common(true) self.parse_ty_param_bounds_common(true)
} }
// Parse bounds of a type parameter `BOUND + BOUND + BOUND` without trailing `+`. // Parse bounds of a type parameter `BOUND + BOUND + BOUND`.
// BOUND = LT_BOUND (e.g. `'a`) // BOUND = LT_BOUND (e.g. `'a`)
fn parse_lt_param_bounds(&mut self) -> Vec<Lifetime> { fn parse_lt_param_bounds(&mut self) -> Vec<Lifetime> {
let mut lifetimes = Vec::new(); let mut lifetimes = Vec::new();