Trait io_lifetimes::AsFd
source · [−]pub trait AsFd {
fn as_fd(&self) -> BorrowedFd<'_>;
}Expand description
A trait to borrow the file descriptor from an underlying object.
This is only available on unix platforms and must be imported in order to
call the method. Windows platforms have a corresponding AsHandle and
AsSocket set of traits.
Required methods
fn as_fd(&self) -> BorrowedFd<'_>
fn as_fd(&self) -> BorrowedFd<'_>
Borrows the file descriptor.
Example
use std::fs::File;
use io_lifetimes::{AsFd, BorrowedFd};
let mut f = File::open("foo.txt")?;
let borrowed_fd: BorrowedFd<'_> = f.as_fd();