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rust-bitcoin-unsafe-fast
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Import core::cmp

This commit is contained in:
Tobin C. Harding 2023-12-08 10:41:41 +11:00
parent c038d00bd1
commit 063dac03bd
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GPG Key ID: 40BF9E4C269D6607
1 changed files with 3 additions and 2 deletions
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5
io/src/lib.rs
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@ -24,6 +24,7 @@ mod error;
mod macros; mod macros;
use core::convert::TryInto; use core::convert::TryInto;
use core::cmp;
#[rustfmt::skip] // Keep public re-exports separate. #[rustfmt::skip] // Keep public re-exports separate.
pub use self::error::{Error, ErrorKind}; pub use self::error::{Error, ErrorKind};
@ -59,7 +60,7 @@ pub struct Take<'a, R: Read + ?Sized> {
impl<'a, R: Read + ?Sized> Read for Take<'a, R> { impl<'a, R: Read + ?Sized> Read for Take<'a, R> {
#[inline] #[inline]
fn read(&mut self, buf: &mut [u8]) -> Result<usize> { fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
let len = core::cmp::min(buf.len(), self.remaining.try_into().unwrap_or(buf.len())); let len = cmp::min(buf.len(), self.remaining.try_into().unwrap_or(buf.len()));
let read = self.reader.read(&mut buf[..len])?; let read = self.reader.read(&mut buf[..len])?;
self.remaining -= read.try_into().unwrap_or(self.remaining); self.remaining -= read.try_into().unwrap_or(self.remaining);
Ok(read) Ok(read)
@ -78,7 +79,7 @@ impl<R: std::io::Read> Read for R {
impl Read for &[u8] { impl Read for &[u8] {
#[inline] #[inline]
fn read(&mut self, buf: &mut [u8]) -> Result<usize> { fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
let cnt = core::cmp::min(self.len(), buf.len()); let cnt = cmp::min(self.len(), buf.len());
buf[..cnt].copy_from_slice(&self[..cnt]); buf[..cnt].copy_from_slice(&self[..cnt]);
*self = &self[cnt..]; *self = &self[cnt..];
Ok(cnt) Ok(cnt)