Clarify that ParameterEnvironment::for_item can take impl/trait items…

… too
rust-lang · Mar 27, 2016 · 157ba00 · 157ba00
1 parent 68de28b
commit 157ba00
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/librustc/ty/mod.rs b/src/librustc/ty/mod.rs
@@ -1202,6 +1202,7 @@ impl<'a, 'tcx> ParameterEnvironment<'a, 'tcx> {
         }
     }
 
+    /// Construct a parameter environment given an item, impl item, or trait item
     pub fn for_item(cx: &'a TyCtxt<'tcx>, id: NodeId) -> ParameterEnvironment<'a, 'tcx> {
         match cx.map.find(id) {
             Some(ast_map::NodeImplItem(ref impl_item)) => {