bjoernager/rust
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syntax: replace Vec::push_all with stable Vec::extend

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This commit is contained in:
Erick Tryzelaar 2015-04-16 21:57:38 -07:00
parent 21143aae94
commit c3da1a1912
1 changed files with 14 additions and 9 deletions
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23
src/libsyntax/parse/parser.rs
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@ -436,10 +436,11 @@ impl<'a> Parser<'a> {
// leave it in the input
Ok(())
} else {
let mut expected = edible.iter().map(|x| TokenType::Token(x.clone()))
.collect::<Vec<_>>();
expected.extend(inedible.iter().map(|x| TokenType::Token(x.clone())));
expected.push_all(&*self.expected_tokens);
let mut expected = edible.iter()
.map(|x| TokenType::Token(x.clone()))
.chain(inedible.iter().map(|x| TokenType::Token(x.clone())))
.chain(self.expected_tokens.iter().cloned())
.collect::<Vec<_>>();
expected.sort_by(|a, b| a.to_string().cmp(&b.to_string()));
expected.dedup();
let expect = tokens_to_string(&expected[..]);
@ -490,8 +491,10 @@ impl<'a> Parser<'a> {
debug!("commit_expr {:?}", e);
if let ExprPath(..) = e.node {
// might be unit-struct construction; check for recoverableinput error.
let mut expected = edible.iter().cloned().collect::<Vec<_>>();
expected.push_all(inedible);
let expected = edible.iter()
.cloned()
.chain(inedible.iter().cloned())
.collect::<Vec<_>>();
try!(self.check_for_erroneous_unit_struct_expecting(&expected[..]));
}
self.expect_one_of(edible, inedible)
@ -509,8 +512,10 @@ impl<'a> Parser<'a> {
if self.last_token
.as_ref()
.map_or(false, |t| t.is_ident() || t.is_path()) {
let mut expected = edible.iter().cloned().collect::<Vec<_>>();
expected.push_all(&inedible);
let expected = edible.iter()
.cloned()
.chain(inedible.iter().cloned())
.collect::<Vec<_>>();
try!(self.check_for_erroneous_unit_struct_expecting(&expected));
}
self.expect_one_of(edible, inedible)
@ -1187,7 +1192,7 @@ impl<'a> Parser<'a> {
debug!("parse_trait_methods(): parsing provided method");
let (inner_attrs, body) =
try!(p.parse_inner_attrs_and_block());
attrs.push_all(&inner_attrs[..]);
attrs.extend(inner_attrs.iter().cloned());
Some(body)
}