Mercurial > public > mercurial-scm > hg
diff rust/hg-core/src/utils.rs @ 42799:5399532510ae
rust: simply use TryInto to convert slice to array
Since our rust module depends on TryInto, there's no point to avoid using it.
While rewriting copy_into_array(), I noticed CPython interface doesn't check
the length of the p1/p2 values, which is marked as TODO.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Sat, 17 Aug 2019 11:37:42 +0900 |
| parents | 4b3b27d567d5 |
| children | ce6797ef6eab |
line wrap: on
line diff
--- a/rust/hg-core/src/utils.rs Sat Aug 17 13:55:05 2019 +0900 +++ b/rust/hg-core/src/utils.rs Sat Aug 17 11:37:42 2019 +0900 @@ -9,23 +9,6 @@ pub mod files; -use std::convert::AsMut; - -/// Takes a slice and copies it into an array. -/// -/// # Panics -/// -/// Will panic if the slice and target array don't have the same length. -pub fn copy_into_array<A, T>(slice: &[T]) -> A -where - A: Sized + Default + AsMut<[T]>, - T: Copy, -{ - let mut a = Default::default(); - <A as AsMut<[T]>>::as_mut(&mut a).copy_from_slice(slice); - a -} - /// Replaces the `from` slice with the `to` slice inside the `buf` slice. /// /// # Examples