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| author | Tim Chevalier <chevalier@alum.wellesley.edu> | 2013-05-09 13:27:24 -0700 |
|---|---|---|
| committer | Tim Chevalier <chevalier@alum.wellesley.edu> | 2013-05-11 20:36:44 -0700 |
| commit | ed4186446492e141a4dc37829dc9599133d00dd0 (patch) | |
| tree | b26e12beb4abead4e7dd3c0834c5e055a1fba478 /src/libsyntax/ext/tt | |
| parent | f2f10bdc7a2f1d1501abb04f3625356c0c251d92 (diff) | |
| download | rust-ed4186446492e141a4dc37829dc9599133d00dd0.tar.gz rust-ed4186446492e141a4dc37829dc9599133d00dd0.zip | |
Warning police
Diffstat (limited to 'src/libsyntax/ext/tt')
| -rw-r--r-- | src/libsyntax/ext/tt/macro_parser.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libsyntax/ext/tt/macro_parser.rs b/src/libsyntax/ext/tt/macro_parser.rs index 0c1e619985d..46b09aca8b2 100644 --- a/src/libsyntax/ext/tt/macro_parser.rs +++ b/src/libsyntax/ext/tt/macro_parser.rs @@ -247,8 +247,8 @@ pub fn parse( let TokenAndSpan {tok: tok, sp: sp} = rdr.peek(); /* we append new items to this while we go */ - while cur_eis.len() > 0u { /* for each Earley Item */ - let mut ei = cur_eis.pop(); + while !cur_eis.is_empty() { /* for each Earley Item */ + let ei = cur_eis.pop(); let idx = ei.idx; let len = ei.elts.len(); |