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specialize Bytes on StdinLock<'_> by using the underlying BufReader

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Aldan Tanneo 2024-01-17 10:47:33 +01:00
parent bf2637f4e8
commit 1b9a01340b
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GPG key ID: 8838CC88BC9C7B4A
1 changed files with 10 additions and 1 deletions
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11
library/std/src/io/stdio.rs
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@ -8,7 +8,9 @@ use crate::io::prelude::*;
use crate::cell::{Cell, RefCell};
use crate::fmt;
use crate::fs::File;
use crate::io::{self, BorrowedCursor, BufReader, IoSlice, IoSliceMut, LineWriter, Lines};
use crate::io::{
self, BorrowedCursor, BufReader, IoSlice, IoSliceMut, LineWriter, Lines, SpecReadByte,
};
use crate::sync::atomic::{AtomicBool, Ordering};
use crate::sync::{Arc, Mutex, MutexGuard, OnceLock, ReentrantMutex, ReentrantMutexGuard};
use crate::sys::stdio;
@ -483,6 +485,13 @@ impl Read for StdinLock<'_> {
}
}
impl SpecReadByte for StdinLock<'_> {
#[inline]
fn spec_read_byte(&mut self) -> Option<io::Result<u8>> {
BufReader::spec_read_byte(&mut *self.inner)
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl BufRead for StdinLock<'_> {
fn fill_buf(&mut self) -> io::Result<&[u8]> {