| //! Re-exports either the Rust `std` library or `core` and `alloc` when `std` is |
| //! disabled. |
| //! |
| //! `crate::stdlib::...` should be used rather than `std::` when adding code that |
| //! will be available with the standard library disabled. |
| //! |
| //! Note that this module is called `stdlib` rather than `std`, as Rust 1.34.0 |
| //! does not permit redefining the name `stdlib` (although this works on the |
| //! latest stable Rust). |
| #[cfg(feature = "std")] |
| pub(crate) use std::*; |
| |
| #[cfg(not(feature = "std"))] |
| pub(crate) use self::no_std::*; |
| |
| #[cfg(not(feature = "std"))] |
| mod no_std { |
| // We pre-emptively export everything from libcore/liballoc, (even modules |
| // we aren't using currently) to make adding new code easier. Therefore, |
| // some of these imports will be unused. |
| #![allow(unused_imports)] |
| |
| pub(crate) use core::{ |
| any, array, ascii, cell, char, clone, cmp, convert, default, f32, f64, ffi, future, hash, |
| hint, i128, i16, i8, isize, iter, marker, mem, num, ops, option, pin, ptr, result, task, |
| time, u128, u16, u32, u8, usize, |
| }; |
| |
| pub(crate) use alloc::{boxed, collections, rc, string, vec}; |
| |
| pub(crate) mod borrow { |
| pub(crate) use alloc::borrow::*; |
| pub(crate) use core::borrow::*; |
| } |
| |
| pub(crate) mod fmt { |
| pub(crate) use alloc::fmt::*; |
| pub(crate) use core::fmt::*; |
| } |
| |
| pub(crate) mod slice { |
| pub(crate) use alloc::slice::*; |
| pub(crate) use core::slice::*; |
| } |
| |
| pub(crate) mod str { |
| pub(crate) use alloc::str::*; |
| pub(crate) use core::str::*; |
| } |
| |
| pub(crate) mod sync { |
| pub(crate) use alloc::sync::*; |
| pub(crate) use core::sync::*; |
| } |
| } |