diff options
| -rw-r--r-- | src/librustc_trans/meth.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/librustc_trans/meth.rs b/src/librustc_trans/meth.rs index e958795570e..ee2f24d21e0 100644 --- a/src/librustc_trans/meth.rs +++ b/src/librustc_trans/meth.rs @@ -116,9 +116,11 @@ pub fn trans_object_shim<'a, 'tcx>(ccx: &'a CrateContext<'a, 'tcx>, llfn } -/// Creates a returns a dynamic vtable for the given type and vtable origin. +/// Creates a dynamic vtable for the given type and vtable origin. /// This is used only for objects. /// +/// The vtables are cached instead of created on every call. +/// /// The `trait_ref` encodes the erased self type. Hence if we are /// making an object `Foo<Trait>` from a value of type `Foo<T>`, then /// `trait_ref` would map `T:Trait`. |