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libsyntax: Remove uses of advance.

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This commit is contained in:
Luqman Aden
2014-06-12 06:13:25 -04:00
committed by Luqman Aden
parent bb9552ef00
commit 9e123c4056
2 changed files with 6 additions and 21 deletions
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10
src/libsyntax/ast_util.rs
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@@ -611,18 +611,18 @@ pub fn walk_pat(pat: &Pat, it: |&Pat| -> bool) -> bool {
match pat.node {
PatIdent(_, _, Some(ref p)) => walk_pat(&**p, it),
PatStruct(_, ref fields, _) => {
fields.iter().advance(|f| walk_pat(&*f.pat, |p| it(p)))
fields.iter().all(|field| walk_pat(&*field.pat, |p| it(p)))
}
PatEnum(_, Some(ref s)) | PatTup(ref s) => {
s.iter().advance(|p| walk_pat(&**p, |p| it(p)))
s.iter().all(|p| walk_pat(&**p, |p| it(p)))
}
PatBox(ref s) | PatRegion(ref s) => {
walk_pat(&**s, it)
}
PatVec(ref before, ref slice, ref after) => {
before.iter().advance(|p| walk_pat(&**p, |p| it(p))) &&
slice.iter().advance(|p| walk_pat(&**p, |p| it(p))) &&
after.iter().advance(|p| walk_pat(&**p, |p| it(p)))
before.iter().all(|p| walk_pat(&**p, |p| it(p))) &&
slice.iter().all(|p| walk_pat(&**p, |p| it(p))) &&
after.iter().all(|p| walk_pat(&**p, |p| it(p)))
}
PatMac(_) => fail!("attempted to analyze unexpanded pattern"),
PatWild | PatWildMulti | PatLit(_) | PatRange(_, _) | PatIdent(_, _, _) |