rust: init: broaden the blanket impl of Init

This makes it possible to use `T` as a `impl Init<T, E>` for every error
type `E` instead of just `Infallible`.

Signed-off-by: Benno Lossin <benno.lossin@proton.me>
Reviewed-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
Link: https://lore.kernel.org/r/20230413100157.740697-1-benno.lossin@proton.me
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Benno Lossin 2023-04-13 10:02:17 +00:00 committed by Miguel Ojeda
parent 1944caa8e8
commit 52a7f2deb4

View File

@ -1190,8 +1190,8 @@ pub fn uninit<T, E>() -> impl Init<MaybeUninit<T>, E> {
}
// SAFETY: Every type can be initialized by-value.
unsafe impl<T> Init<T> for T {
unsafe fn __init(self, slot: *mut T) -> Result<(), Infallible> {
unsafe impl<T, E> Init<T, E> for T {
unsafe fn __init(self, slot: *mut T) -> Result<(), E> {
unsafe { slot.write(self) };
Ok(())
}