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libsyntax: use unboxed closures

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This commit is contained in:
Jorge Aparicio
2014-12-08 13:28:32 -05:00
parent 2160427900
commit 0dac05dd62
32 changed files with 377 additions and 245 deletions
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7
src/libsyntax/attr.rs
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@@ -115,7 +115,8 @@ impl AttrMetaMethods for P<MetaItem> {
pub trait AttributeMethods {
fn meta<'a>(&'a self) -> &'a MetaItem;
fn with_desugared_doc<T>(&self, f: |&Attribute| -> T) -> T;
fn with_desugared_doc<T, F>(&self, f: F) -> T where
F: FnOnce(&Attribute) -> T;
}
impl AttributeMethods for Attribute {
@@ -127,7 +128,9 @@ impl AttributeMethods for Attribute {
/// Convert self to a normal #[doc="foo"] comment, if it is a
/// comment like `///` or `/** */`. (Returns self unchanged for
/// non-sugared doc attributes.)
fn with_desugared_doc<T>(&self, f: |&Attribute| -> T) -> T {
fn with_desugared_doc<T, F>(&self, f: F) -> T where
F: FnOnce(&Attribute) -> T,
{
if self.node.is_sugared_doc {
let comment = self.value_str().unwrap();
let meta = mk_name_value_item_str(