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parser: document parse_pat.

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Mazdak Farrokhzad 2019-08-18 22:35:53 +02:00
parent b7178ef983
commit 92d66a1317
1 changed files with 4 additions and 0 deletions
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src/libsyntax/parse/parser/pat.rs
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@ -16,6 +16,10 @@ type Expected = Option<&'static str>;
impl<'a> Parser<'a> { impl<'a> Parser<'a> {
/// Parses a pattern. /// Parses a pattern.
///
/// Corresponds to `pat<no_top_alt>` in RFC 2535 and does not admit or-patterns
/// at the top level. Used when parsing the parameters of lambda expressions,
/// functions, function pointers, and `pat` macro fragments.
pub fn parse_pat(&mut self, expected: Expected) -> PResult<'a, P<Pat>> { pub fn parse_pat(&mut self, expected: Expected) -> PResult<'a, P<Pat>> {
self.parse_pat_with_range_pat(true, expected) self.parse_pat_with_range_pat(true, expected)
} }