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