blob: b6f6c59a01f951905bf6195765a221d4c884b8a4 (
plain)
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
|
// run-rustfix
#![allow(dead_code)]
#![warn(clippy::cast_lossless)]
fn main() {
// Test clippy::cast_lossless with casts to integer types
let _ = true as u8;
let _ = true as u16;
let _ = true as u32;
let _ = true as u64;
let _ = true as u128;
let _ = true as usize;
let _ = true as i8;
let _ = true as i16;
let _ = true as i32;
let _ = true as i64;
let _ = true as i128;
let _ = true as isize;
// Test with an expression wrapped in parens
let _ = (true | false) as u16;
}
// The lint would suggest using `u32::from(input)` here but the `XX::from` function is not const,
// so we skip the lint if the expression is in a const fn.
// See #3656
const fn abc(input: bool) -> u32 {
input as u32
}
// Same as the above issue. We can't suggest `::from` in const fns in impls
mod cast_lossless_in_impl {
struct A;
impl A {
pub const fn convert(x: bool) -> u64 {
x as u64
}
}
}
|
