4 #![warn(clippy::cast_lossless)]
7 // Test clippy::cast_lossless with casts to integer types
8 let _ = u8::from(true);
9 let _ = u16::from(true);
10 let _ = u32::from(true);
11 let _ = u64::from(true);
12 let _ = u128::from(true);
13 let _ = usize::from(true);
15 let _ = i8::from(true);
16 let _ = i16::from(true);
17 let _ = i32::from(true);
18 let _ = i64::from(true);
19 let _ = i128::from(true);
20 let _ = isize::from(true);
22 // Test with an expression wrapped in parens
23 let _ = u16::from(true | false);
26 // The lint would suggest using `u32::from(input)` here but the `XX::from` function is not const,
27 // so we skip the lint if the expression is in a const fn.
29 const fn abc(input: bool) -> u32 {
33 // Same as the above issue. We can't suggest `::from` in const fns in impls
34 mod cast_lossless_in_impl {
38 pub const fn convert(x: bool) -> u64 {