D:\a\tools.proto\tools.proto\runtime\src\util\scalar.rs
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1 | | // Copyright (c) 2024, BlockProject 3D |
2 | | // |
3 | | // All rights reserved. |
4 | | // |
5 | | // Redistribution and use in source and binary forms, with or without modification, |
6 | | // are permitted provided that the following conditions are met: |
7 | | // |
8 | | // * Redistributions of source code must retain the above copyright notice, |
9 | | // this list of conditions and the following disclaimer. |
10 | | // * Redistributions in binary form must reproduce the above copyright notice, |
11 | | // this list of conditions and the following disclaimer in the documentation |
12 | | // and/or other materials provided with the distribution. |
13 | | // * Neither the name of BlockProject 3D nor the names of its contributors |
14 | | // may be used to endorse or promote products derived from this software |
15 | | // without specific prior written permission. |
16 | | // |
17 | | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
18 | | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
19 | | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
20 | | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
21 | | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
22 | | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
23 | | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
24 | | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
25 | | // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
26 | | // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
27 | | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | | |
29 | | pub trait ToUsize { |
30 | | fn to_usize(self) -> usize; |
31 | | fn from_usize(value: usize) -> Self; |
32 | | } |
33 | | |
34 | | macro_rules! impl_to_usize { |
35 | | ($($t: ty)*) => { |
36 | | $( |
37 | | impl ToUsize for $t { |
38 | 21 | fn to_usize(self) -> usize { |
39 | 21 | self as _ |
40 | 21 | } |
41 | 477 | fn from_usize(value: usize) -> Self { |
42 | 477 | value as _ |
43 | 477 | } |
44 | | } |
45 | | )* |
46 | | }; |
47 | | } |
48 | | |
49 | | impl_to_usize!(u8 u16 u32 u64); |