libsyntax: use unboxed closures

2014-12-08 13:28:32 -05:00
parent 2160427900
commit 0dac05dd62
32 changed files with 377 additions and 245 deletions
--- a/src/libsyntax/codemap.rs
+++ b/src/libsyntax/codemap.rs
@@ -568,7 +568,9 @@ impl CodeMap {
        ExpnId(expansions.len().to_u32().expect("too many ExpnInfo's!") - 1)
    }

-    pub fn with_expn_info<T>(&self, id: ExpnId, f: |Option<&ExpnInfo>| -> T) -> T {
+    pub fn with_expn_info<T, F>(&self, id: ExpnId, f: F) -> T where
+        F: FnOnce(Option<&ExpnInfo>) -> T,
+    {
        match id {
            NO_EXPANSION => f(None),
            ExpnId(i) => f(Some(&(*self.expansions.borrow())[i as uint]))