Feature gate: #![feature(file_buffered)]
This is a tracking issue for File constructors that return files wrapped with a buffer.
In addition to the light convenience, these are intended to raise visibility that buffering is something you should consider when opening a file, since unbuffered I/O is a common performance footgun to Rust newcomers.
Public API// std::fs
impl File {
pub fn open_buffered<P: AsRef<Path>>(path: P) -> io::Result<io::BufReader<File>>;
pub fn create_buffered<P: AsRef<Path>>(path: P) -> io::Result<io::BufWriter<File>>;
} Steps / History
File constructors that nudge people toward buffered I/O libs-team#446File constructors that return files wrapped with a buffer #130803DianaNitesjplatte, MaxVerevkin, DianaNites, mousefad and bjoernagerGrigorenkoPV, joseluis and DianaNites
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