2019-01-04 11:22:38 +01:00
|
|
|
// run-rustfix
|
|
|
|
|
2019-01-26 09:49:55 +01:00
|
|
|
#![allow(clippy::no_effect, clippy::unnecessary_operation, dead_code)]
|
|
|
|
#![warn(clippy::cast_lossless)]
|
|
|
|
|
2019-01-04 11:22:38 +01:00
|
|
|
fn main() {
|
|
|
|
// Test clippy::cast_lossless with casts to integer types
|
|
|
|
i16::from(1i8);
|
|
|
|
i32::from(1i8);
|
|
|
|
i64::from(1i8);
|
|
|
|
i16::from(1u8);
|
|
|
|
i32::from(1u8);
|
|
|
|
i64::from(1u8);
|
|
|
|
u16::from(1u8);
|
|
|
|
u32::from(1u8);
|
|
|
|
u64::from(1u8);
|
|
|
|
i32::from(1i16);
|
|
|
|
i64::from(1i16);
|
|
|
|
i32::from(1u16);
|
|
|
|
i64::from(1u16);
|
|
|
|
u32::from(1u16);
|
|
|
|
u64::from(1u16);
|
|
|
|
i64::from(1i32);
|
|
|
|
i64::from(1u32);
|
|
|
|
u64::from(1u32);
|
2019-04-17 21:03:22 +02:00
|
|
|
|
|
|
|
// Test with an expression wrapped in parens
|
|
|
|
u16::from(1u8 + 1u8);
|
2019-01-04 11:22:38 +01:00
|
|
|
}
|
2019-01-26 09:49:55 +01:00
|
|
|
|
|
|
|
// The lint would suggest using `f64::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: u16) -> u32 {
|
|
|
|
input as u32
|
|
|
|
}
|