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std: Add IntoRaw{Fd,Handle,Socket} traits

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This commit is an implementation of [RFC 1174][rfc] which adds three new traits
to the standard library:

* `IntoRawFd` - implemented on Unix for all I/O types (files, sockets, etc)
* `IntoRawHandle` - implemented on Windows for files, processes, etc
* `IntoRawSocket` - implemented on Windows for networking types

[rfc]: https://github.com/rust-lang/rfcs/blob/master/text/1174-into-raw-fd-socket-handle-traits.md

Closes #27062
This commit is contained in:
Alex Crichton 2015-07-15 23:31:24 -07:00
parent 4e51763e64
commit 7e9e3896df
16 changed files with 195 additions and 15 deletions
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7
src/libstd/fs.rs
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@ -24,8 +24,8 @@ use ffi::OsString;
use io::{self, SeekFrom, Seek, Read, Write};
use path::{Path, PathBuf};
use sys::fs as fs_imp;
use sys_common::{AsInnerMut, FromInner, AsInner};
use sys_common::io::read_to_end_uninitialized;
use sys_common::{AsInnerMut, FromInner, AsInner, IntoInner};
use vec::Vec;
/// A reference to an open file on the filesystem.
@ -317,6 +317,11 @@ impl FromInner<fs_imp::File> for File {
File { inner: f }
}
}
impl IntoInner<fs_imp::File> for File {
fn into_inner(self) -> fs_imp::File {
self.inner
}
}
impl fmt::Debug for File {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {