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| author | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2013-02-17 10:59:09 -0800 |
|---|---|---|
| committer | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2013-02-19 10:02:51 -0800 |
| commit | bc62bd378251d6dd60f2999cd8c853a75a4e8d02 (patch) | |
| tree | 7f27b1abaab38625605525514b542f38d5968a11 /src/libsyntax/ext/tt | |
| parent | 59ba4fc1042bb83dc6899462649d70a0141ff8ca (diff) | |
| download | rust-bc62bd378251d6dd60f2999cd8c853a75a4e8d02.tar.gz rust-bc62bd378251d6dd60f2999cd8c853a75a4e8d02.zip | |
libsyntax: make enum variants take refs
Diffstat (limited to 'src/libsyntax/ext/tt')
| -rw-r--r-- | src/libsyntax/ext/tt/macro_rules.rs | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/tt/macro_rules.rs index 3e7a84240e4..dd0dfd8e443 100644 --- a/src/libsyntax/ext/tt/macro_rules.rs +++ b/src/libsyntax/ext/tt/macro_rules.rs @@ -59,12 +59,13 @@ pub fn add_new_extension(cx: ext_ctxt, sp: span, name: ident, arg_reader as reader, argument_gram); // Extract the arguments: - let lhses:~[@named_match] = match argument_map.get(&lhs_nm) { - @matched_seq(s, _) => s, - _ => cx.span_bug(sp, ~"wrong-structured lhs") + let lhses = match argument_map.get(&lhs_nm) { + @matched_seq(ref s, _) => /* FIXME (#2543) */ copy *s, + _ => cx.span_bug(sp, ~"wrong-structured lhs") }; - let rhses:~[@named_match] = match argument_map.get(&rhs_nm) { - @matched_seq(s, _) => s, + + let rhses = match argument_map.get(&rhs_nm) { + @matched_seq(ref s, _) => /* FIXME (#2543) */ copy *s, _ => cx.span_bug(sp, ~"wrong-structured rhs") }; |