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gstreamer: Implement ByteSliceExt generally over all AsRef<[u8]>

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That covers `&[u8]` and `&mut [u8]` as well as `[u8]`, `[u8; N]`,
`Vec<u8>` and many other types.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1651>
This commit is contained in:
Sebastian Dröge 2025-02-20 13:50:20 +02:00 committed by Backport Bot
parent 8eb8ab921b
commit 6fc5984325
1 changed files with 27 additions and 16 deletions
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43
gstreamer/src/slice.rs
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@ -12,28 +12,14 @@ pub trait ByteSliceExt {
fn dump_range(&self, range: impl RangeBounds<usize>) -> Dump;
}
impl ByteSliceExt for &[u8] {
impl<T: AsRef<[u8]>> ByteSliceExt for T {
fn dump(&self) -> Dump {
self.dump_range(..)
}
fn dump_range(&self, range: impl RangeBounds<usize>) -> Dump {
Dump {
data: self,
start: range.start_bound().cloned(),
end: range.end_bound().cloned(),
}
}
}
impl ByteSliceExt for &mut [u8] {
fn dump(&self) -> Dump {
self.dump_range(..)
}
fn dump_range(&self, range: impl RangeBounds<usize>) -> Dump {
Dump {
data: self,
data: self.as_ref(),
start: range.start_bound().cloned(),
end: range.end_bound().cloned(),
}
@ -159,3 +145,28 @@ impl fmt::Debug for Dump<'_> {
self.fmt(f, true)
}
}
#[cfg(test)]
mod tests {
use super::ByteSliceExt;
#[test]
fn dump_u8_slice() {
let mut b: [u8; 4] = [1u8, 2, 3, 4];
let _ = b.dump();
let b1 = b.as_slice();
let _ = b1.dump();
let b1 = b.as_mut_slice();
let _ = b1.dump();
}
#[test]
fn dump_u8_vec() {
let mut b = vec![1u8, 2, 3, 4];
let _ = b.dump();
let b1 = b.as_slice();
let _ = b1.dump();
let b1 = b.as_mut_slice();
let _ = b1.dump();
}
}