1 | //! Re-exports either the Rust `std` library or `core` and `alloc` when `std` is |
2 | //! disabled. |
3 | //! |
4 | //! `crate::stdlib::...` should be used rather than `std::` when adding code that |
5 | //! will be available with the standard library disabled. |
6 | //! |
7 | //! Note that this module is called `stdlib` rather than `std`, as Rust 1.34.0 |
8 | //! does not permit redefining the name `stdlib` (although this works on the |
9 | //! latest stable Rust). |
10 | #[cfg (feature = "std" )] |
11 | pub(crate) use std::*; |
12 | |
13 | #[cfg (not(feature = "std" ))] |
14 | pub(crate) use self::no_std::*; |
15 | |
16 | #[cfg (not(feature = "std" ))] |
17 | mod no_std { |
18 | // We pre-emptively export everything from libcore/liballoc, (even modules |
19 | // we aren't using currently) to make adding new code easier. Therefore, |
20 | // some of these imports will be unused. |
21 | #![allow (unused_imports)] |
22 | |
23 | pub(crate) use core::{ |
24 | any, array, ascii, cell, char, clone, cmp, convert, default, f32, f64, ffi, future, hash, |
25 | hint, i128, i16, i8, isize, iter, marker, mem, num, ops, option, pin, ptr, result, task, |
26 | time, u128, u16, u32, u8, usize, |
27 | }; |
28 | |
29 | pub(crate) use alloc::{boxed, collections, rc, string, vec}; |
30 | |
31 | pub(crate) mod borrow { |
32 | pub(crate) use alloc::borrow::*; |
33 | pub(crate) use core::borrow::*; |
34 | } |
35 | |
36 | pub(crate) mod fmt { |
37 | pub(crate) use alloc::fmt::*; |
38 | pub(crate) use core::fmt::*; |
39 | } |
40 | |
41 | pub(crate) mod slice { |
42 | pub(crate) use alloc::slice::*; |
43 | pub(crate) use core::slice::*; |
44 | } |
45 | |
46 | pub(crate) mod str { |
47 | pub(crate) use alloc::str::*; |
48 | pub(crate) use core::str::*; |
49 | } |
50 | |
51 | pub(crate) mod sync { |
52 | pub(crate) use alloc::sync::*; |
53 | pub(crate) use core::sync::*; |
54 | } |
55 | } |
56 | |