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