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| author | Matt Ickstadt <mattico8@gmail.com> | 2017-08-26 17:09:31 -0500 |
|---|---|---|
| committer | Matt Ickstadt <mattico8@gmail.com> | 2017-09-01 12:46:37 -0500 |
| commit | f86615299190b77fd5890ee3951ed85e36d829df (patch) | |
| tree | 5a0f7f160bb0ad56786454d03222fee0fad8768c /src/libsyntax/parse | |
| parent | ed532c0d933aaae45e6804efc5936bea078bbaad (diff) | |
| download | rust-f86615299190b77fd5890ee3951ed85e36d829df.tar.gz rust-f86615299190b77fd5890ee3951ed85e36d829df.zip | |
Implement RFC 1925
Diffstat (limited to 'src/libsyntax/parse')
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index d08373334f1..1f033b25fe4 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -3155,6 +3155,12 @@ impl<'a> Parser<'a> { maybe_whole!(self, NtArm, |x| x); let attrs = self.parse_outer_attributes()?; + // Allow a '|' before the pats (RFC 1925) + let beginning_vert = if self.eat(&token::BinOp(token::Or)) { + Some(self.prev_span) + } else { + None + }; let pats = self.parse_pats()?; let guard = if self.eat_keyword(keywords::If) { Some(self.parse_expr()?) @@ -3178,6 +3184,7 @@ impl<'a> Parser<'a> { pats, guard, body: expr, + beginning_vert, }) } |