diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/unused_io_amount.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/unused_io_amount.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/unused_io_amount.rs b/src/tools/clippy/tests/ui/unused_io_amount.rs index 4b0595581..8d3e094b7 100644 --- a/src/tools/clippy/tests/ui/unused_io_amount.rs +++ b/src/tools/clippy/tests/ui/unused_io_amount.rs @@ -63,6 +63,14 @@ fn combine_or(file: &str) -> Result<(), Error> { Ok(()) } +fn is_ok_err<T: io::Read + io::Write>(s: &mut T) { + s.write(b"ok").is_ok(); + s.write(b"err").is_err(); + let mut buf = [0u8; 0]; + s.read(&mut buf).is_ok(); + s.read(&mut buf).is_err(); +} + async fn bad_async_write<W: AsyncWrite + Unpin>(w: &mut W) { w.write(b"hello world").await.unwrap(); } |