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rollup merge of #20563: cmr/macro-input-future-proofing

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Alex Crichton 2015-01-06 15:49:15 -08:00
commit 26cd8eae48
12 changed files with 404 additions and 187 deletions
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src/libsyntax/parse/token.rs
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@ -392,6 +392,7 @@ impl fmt::Show for Nonterminal {
}
}
// Get the first "argument"
macro_rules! first {
( $first:expr, $( $remainder:expr, )* ) => ( $first )