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auto merge of #13908 : pcwalton/rust/box-pattern, r=alexcrichton

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r? @alexcrichton
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bors 2014-05-04 05:36:49 -07:00
commit 9c1761d0ab
2 changed files with 33 additions and 0 deletions
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13
src/libsyntax/parse/parser.rs
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@ -2867,6 +2867,19 @@ impl<'a> Parser<'a> {
// parse ref pat
let mutbl = self.parse_mutability();
pat = self.parse_pat_ident(BindByRef(mutbl));
} else if self.eat_keyword(keywords::Box) {
// `box PAT`
//
// FIXME(#13910): Rename to `PatBox` and extend to full DST
// support.
let sub = self.parse_pat();
pat = PatUniq(sub);
hi = self.last_span.hi;
return @ast::Pat {
id: ast::DUMMY_NODE_ID,
node: pat,
span: mk_sp(lo, hi)
}
} else {
let can_be_enum_or_struct = self.look_ahead(1, |t| {
match *t {