Trait io_lifetimes::FromFd

source · [−]
pub trait FromFd {
    fn from_fd(owned: OwnedFd) -> Self;

    fn from_into_fd<Owned: Into<OwnedFd>>(into_owned: Owned) -> Self
    where
        Self: Sized + From<OwnedFd>,
    { ... }
}
Expand description

A trait to express the ability to construct an object from a file descriptor.

Required Methods

👎 Deprecated since 1.0.0:

FromFd::from_fd is replaced by From<OwnedFd>::from

Constructs a new instance of Self from the given file descriptor.

Example
use std::fs::File;
use io_lifetimes::{FromFd, IntoFd, OwnedFd};

let f = File::open("foo.txt")?;
let owned_fd: OwnedFd = f.into_fd();
let f = File::from_fd(owned_fd);

Provided Methods

Constructs a new instance of Self from the given file descriptor converted from into_owned.

Example
use std::fs::File;
use io_lifetimes::{FromFd, IntoFd};

let f = File::open("foo.txt")?;
let f = File::from_into_fd(f);

Implementors