Clarify example in comment

rust-lang · Aug 2, 2019 · 8b307a1 · 8b307a1
1 parent d48cdd0
commit 8b307a1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/text/0000-knowntypeid.md b/text/0000-knowntypeid.md
@@ -64,6 +64,7 @@ impl CanDoThing for DoesThing {
 
 impl dyn CanDoThing + 'static {
     pub fn is<T: CanDoThing + 'static>(&self) -> bool {
+        // `TypeId::of::<Self>()` would be `dyn CanDoThing`, not the "actual" type of Self
         TypeId::of::<T>() == self.type_id()
     }