1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49

#![cfg_attr(not(feature = "std"), no_std)]

#[cfg(feature = "alloc")]
extern crate alloc as alloc_crate;

pub mod alloc;

#[cfg(feature = "alloc")]
pub mod boxed;

#[cfg(feature = "alloc")]
mod raw_vec;

#[cfg(feature = "alloc")]
pub mod vec;

#[cfg(feature = "alloc")]
mod macros;

#[cfg(feature = "alloc")]
#[track_caller]
#[inline(always)]
#[cfg(debug_assertions)]
unsafe fn assume(v: bool) {
    if !v {
        core::unreachable!()
    }
}

#[cfg(feature = "alloc")]
#[inline(always)]
#[cfg(not(debug_assertions))]
unsafe fn assume(v: bool) {
    if !v {
        core::hint::unreachable_unchecked()
    }
}

#[cfg(feature = "alloc")]
#[inline(always)]
fn addr<T>(x: *const T) -> usize {
    unsafe { core::mem::transmute(x) }
}

#[cfg(feature = "alloc")]
#[inline(always)]
fn invalid_mut<T>(addr: usize) -> *mut T {
    unsafe { core::mem::transmute(addr) }
}