librustc: Implement overloading for the call operator behind a feature

[rust.git] / src / librustc / middle / lang_items.rs

diff --git a/src/librustc/middle/lang_items.rs b/src/librustc/middle/lang_items.rs
index 748c29cd92c42d56ffc1d2dfbcba3a1d9d46f040..20e4188a8f6c5cf01386610e71d9b435b0b4a968 100644 (file)
--- a/src/librustc/middle/lang_items.rs
+++ b/src/librustc/middle/lang_items.rs
@@ -240,6 +240,10 @@ pub fn collect_language_items(krate: &ast::Crate,
     DerefTraitLangItem,              "deref",                   deref_trait;
     DerefMutTraitLangItem,           "deref_mut",               deref_mut_trait;
 
+    FnTraitLangItem,                 "fn",                      fn_trait;
+    FnMutTraitLangItem,              "fn_mut",                  fn_mut_trait;
+    FnOnceTraitLangItem,             "fn_once",                 fn_once_trait;
+
     EqTraitLangItem,                 "eq",                      eq_trait;
     OrdTraitLangItem,                "ord",                     ord_trait;