Merge pull request #177 from petertodd/2019-12-long-live-contravariance

Remove mention of contravariance possibly getting scrapped
5 years ago · 3e6e1001dc
parent 8be35b201f ce08025be2
commit 3e6e1001dc
1 changed files with 1 additions and 3 deletions
--- a/src/phantom-data.md
+++ b/src/phantom-data.md
@ -96,9 +96,7 @@ Here’s a table of all the wonderful ways `PhantomData` could be used:
 | `PhantomData<&'a mut T>`    | variant   | invariant                 |
 | `PhantomData<*const T>`     | -         | variant                   |
 | `PhantomData<*mut T>`       | -         | invariant                 |
-| `PhantomData<fn(T)>`        | -         | contravariant (*)         |
+| `PhantomData<fn(T)>`        | -         | contravariant             |
 | `PhantomData<fn() -> T>`    | -         | variant                   |
 | `PhantomData<fn(T) -> T>`   | -         | invariant                 |
 | `PhantomData<Cell<&'a ()>>` | invariant | -                         |
-
-(*) If contravariance gets scrapped, this would be invariant.