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rust-bitcoin-unsafe-fast
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implement IndexMut for PushBytes

This commit is contained in:
Antoni Spaanderman 2024-08-11 21:57:20 +02:00
parent 71d760b3f2
commit 7c8601a696
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1 changed files with 19 additions and 1 deletions
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20
bitcoin/src/blockdata/script/push_bytes.rs
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@ -15,7 +15,8 @@ pub use self::primitive::*;
/// break invariants. Therefore auditing this module should be sufficient.
mod primitive {
use core::ops::{
Bound, Index, Range, RangeFrom, RangeFull, RangeInclusive, RangeTo, RangeToInclusive,
Bound, Index, IndexMut, Range, RangeFrom, RangeFull, RangeInclusive, RangeTo,
RangeToInclusive,
};
use super::PushBytesError;
@ -95,6 +96,17 @@ mod primitive {
}
}
}
impl IndexMut<$type> for PushBytes {
#[inline]
#[track_caller]
fn index_mut(&mut self, index: $type) -> &mut Self::Output {
// SAFETY: Slicing can not make slices longer.
unsafe {
Self::from_mut_slice_unchecked(&mut self.0[index])
}
}
}
)*
}
}
@ -117,6 +129,12 @@ mod primitive {
fn index(&self, index: usize) -> &Self::Output { &self.0[index] }
}
impl IndexMut<usize> for PushBytes {
#[inline]
#[track_caller]
fn index_mut(&mut self, index: usize) -> &mut Self::Output { &mut self.0[index] }
}
impl<'a> TryFrom<&'a [u8]> for &'a PushBytes {
type Error = PushBytesError;