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| author | Austin Seipp <as@hacks.yi.org> | 2012-01-09 09:42:07 -0600 |
|---|---|---|
| committer | Brian Anderson <banderson@mozilla.com> | 2012-01-09 10:50:33 -0800 |
| commit | 92113489893105d5432df2fd8f727fa2ca8cec51 (patch) | |
| tree | c83e2dc2a69fe23b2b62a2d5bbcbdecc699d9884 /src/comp/syntax/parse/parser.rs | |
| parent | fbad0204e477537e350963014af936b1646d6d7a (diff) | |
| download | rust-92113489893105d5432df2fd8f727fa2ca8cec51.tar.gz rust-92113489893105d5432df2fd8f727fa2ca8cec51.zip | |
Make the parser accept 'if' as an alternative to 'when' in alt patterns.
Also fix the pretty printer, making it output 'if' instead of 'when'. Issue #1396
Diffstat (limited to 'src/comp/syntax/parse/parser.rs')
| -rw-r--r-- | src/comp/syntax/parse/parser.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/comp/syntax/parse/parser.rs b/src/comp/syntax/parse/parser.rs index 6a59b395ab4..2b45115f5b9 100644 --- a/src/comp/syntax/parse/parser.rs +++ b/src/comp/syntax/parse/parser.rs @@ -1389,7 +1389,11 @@ fn parse_alt_expr(p: parser) -> @ast::expr { while p.peek() != token::RBRACE { let pats = parse_pats(p); let guard = none; - if eat_word(p, "when") { guard = some(parse_expr(p)); } + if eat_word(p, "when") { + guard = some(parse_expr(p)); + } else if eat_word(p, "if") { + guard = some(parse_expr(p)); + } let blk = parse_block(p); arms += [{pats: pats, guard: guard, body: blk}]; } |