librustc: Remove remaining uses of &fn() in favor of ||.

src/libsyntax/ext/deriving/mod.rs

@@ -46,17 +46,17 @@ pub mod totalord;
 
 pub mod generic;
 
-pub type ExpandDerivingStructDefFn<'self> = &'self fn(@ExtCtxt,
-                                                       Span,
-                                                       x: &struct_def,
-                                                       Ident,
-                                                       y: &Generics)
-                                                 -> @item;
-pub type ExpandDerivingEnumDefFn<'self> = &'self fn(@ExtCtxt,
-                                                    Span,
-                                                    x: &enum_def,
-                                                    Ident,
-                                                    y: &Generics)
+pub type ExpandDerivingStructDefFn<'self> = 'self |@ExtCtxt,
+                                                   Span,
+                                                   x: &struct_def,
+                                                   Ident,
+                                                   y: &Generics|
+                                                   -> @item;
+pub type ExpandDerivingEnumDefFn<'self> = 'self |@ExtCtxt,
+                                                 Span,
+                                                 x: &enum_def,
+                                                 Ident,
+                                                 y: &Generics|
                                                  -> @item;
 
 pub fn expand_meta_deriving(cx: @ExtCtxt,