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//! io-lifetimes provides safe, convenient, and portable ways to temporarily
//! view an I/O resource as a `File`, `Socket`, or other types.
#![cfg_attr(io_lifetimes_use_std, feature(io_safety))]
use io_lifetimes::AsFilelike;
use std::fs::File;
use std::io::{self, stdout};
fn main() -> io::Result<()> {
let stdout = stdout();
// With `AsFilelike`, any type implementing `AsFd`/`AsHandle` can be viewed
// as any type supporting `FromFilelike`, so you can call `File` methods on
// `Stdout` or other things.
//
// Whether or not you can actually do this is up to the OS, of course. In
// this case, Unix can do this, but it appears Windows can't.
let metadata = stdout.as_filelike_view::<File>().metadata()?;
if metadata.is_file() {
println!("stdout is a file!");
} else {
println!("stdout is not a file!");
}
Ok(())
}
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