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Document matchers a little better.

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This commit is contained in:
Paul Stansifer 2012-06-26 11:11:51 -07:00
parent 2ee779c839
commit 74c2266a06
1 changed files with 3 additions and 1 deletions
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4
src/libsyntax/ast.rs
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@ -385,9 +385,11 @@ type matcher = spanned<matcher_>;
#[auto_serialize]
enum matcher_ {
/* match one token */
mtc_tok(token::token),
/* body, separator, zero ok? : */
/* match repetitions of a sequence: body, separator, zero ok? : */
mtc_rep(~[matcher], option<token::token>, bool),
/* parse a Rust NT: name to bind, name of NT, position in match array : */
mtc_bb(ident, ident, uint)
}