1#[allow(dead_code)]
2#[allow(path_statements)]
3pub(crate) const fn smaller_than<const N: usize, const MAX: usize>() {
4 Assert::<N, MAX>::LESS;
5}
6
7#[allow(dead_code)]
8#[allow(path_statements)]
9pub(crate) const fn greater_than_eq_0<const N: usize>() {
10 Assert::<N, 0>::GREATER_EQ;
11}
12
13#[allow(dead_code)]
14#[allow(path_statements)]
15pub(crate) const fn greater_than_0<const N: usize>() {
16 Assert::<N, 0>::GREATER;
17}
18
19#[allow(dead_code)]
20#[allow(path_statements)]
21pub(crate) const fn greater_than_1<const N: usize>() {
22 Assert::<N, 1>::GREATER;
23}
24
25#[allow(dead_code)]
26#[allow(path_statements)]
27pub(crate) const fn power_of_two<const N: usize>() {
28 Assert::<N, 0>::GREATER;
29 Assert::<N, 0>::POWER_OF_TWO;
30}
31
32#[allow(dead_code)]
33/// Const assert hack
34pub struct Assert<const L: usize, const R: usize>;
35
36#[allow(dead_code)]
37impl<const L: usize, const R: usize> Assert<L, R> {
38 /// Const assert hack
39 pub const GREATER_EQ: usize = L - R;
40
41 /// Const assert hack
42 pub const LESS_EQ: usize = R - L;
43
44 /// Const assert hack
45 pub const NOT_EQ: isize = 0 / (R as isize - L as isize);
46
47 /// Const assert hack
48 pub const EQ: usize = (R - L) + (L - R);
49
50 /// Const assert hack
51 pub const GREATER: usize = L - R - 1;
52
53 /// Const assert hack
54 pub const LESS: usize = R - L - 1;
55
56 /// Const assert hack
57 pub const POWER_OF_TWO: usize = 0 - (L & (L - 1));
58}
59