gdk: remove unwanted DerefMut from Key
I don't think it makes sense to allow end-users to change the inner value
@@ -15,12 +15,6 @@ impl ::std::ops::Deref for Key {
}
}
-impl ::std::ops::DerefMut for Key {
- fn deref_mut(&mut self) -> &mut u32 {
- &mut self.0
- }
-}
-
impl ::std::convert::From<u32> for Key {
fn from(value: u32) -> Self {
skip_assert_initialized!();
