mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-09-21 15:11:56 +00:00
25 lines
576 B
Rust
25 lines
576 B
Rust
#![allow(dead_code)]
|
|
#![warn(clippy::unused_io_amount)]
|
|
|
|
use std::io;
|
|
|
|
fn question_mark<T: io::Read + io::Write>(s: &mut T) -> io::Result<()> {
|
|
s.write(b"test")?;
|
|
let mut buf = [0u8; 4];
|
|
s.read(&mut buf)?;
|
|
Ok(())
|
|
}
|
|
|
|
fn unwrap<T: io::Read + io::Write>(s: &mut T) {
|
|
s.write(b"test").unwrap();
|
|
let mut buf = [0u8; 4];
|
|
s.read(&mut buf).unwrap();
|
|
}
|
|
|
|
fn vectored<T: io::Read + io::Write>(s: &mut T) -> io::Result<()> {
|
|
s.read_vectored(&mut [io::IoSliceMut::new(&mut [])])?;
|
|
s.write_vectored(&[io::IoSlice::new(&[])])?;
|
|
Ok(())
|
|
}
|
|
|
|
fn main() {}
|