rust-core_io/src/lib.rs
2016-07-10 13:45:57 -07:00

41 lines
1.2 KiB
Rust

//! <p id="core_io-show-docblock"></p>
//! This is just a listing of the functionality available in this crate. See
//! the [std documentation](https://doc.rust-lang.org/nightly/std/io/index.html)
//! for a full description of the functionality.
#![allow(stable_features,unused_features)]
#![feature(question_mark,const_fn,collections,alloc,unicode,copy_from_slice,str_char)]
#![no_std]
#[cfg_attr(feature="collections",macro_use)]
#[cfg(feature="collections")] extern crate collections;
#[cfg(feature="alloc")] extern crate alloc;
extern crate rustc_unicode;
#[cfg(not(feature="collections"))]
pub type ErrorString = &'static str;
// Provide Box::new wrapper
#[cfg(not(feature="alloc"))]
struct FakeBox<T>(core::marker::PhantomData<T>);
#[cfg(not(feature="alloc"))]
impl<T> FakeBox<T> {
fn new(val: T) -> T {
val
}
}
// Needed for older compilers, to ignore vec!/format! macros in tests
#[cfg(not(feature="collections"))]
macro_rules! vec (
( $ elem : expr ; $ n : expr ) => { () };
( $ ( $ x : expr ) , * ) => { () };
( $ ( $ x : expr , ) * ) => { () };
);
#[cfg(not(feature="collections"))]
macro_rules! format {
( $ ( $ arg : tt ) * ) => { () };
}
include!(concat!(env!("OUT_DIR"), "/io.rs"));
pub use io::*;