src/test/ui/lint/type-overflow.rs


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// check-pass
#![warn(overflowing_literals)]

fn main() {
    let error = 255i8; //~WARNING literal out of range for `i8`

    let ok = 0b1000_0001; // should be ok -> i32
    let ok = 0b0111_1111i8; // should be ok -> 127i8

    let fail = 0b1000_0001i8; //~WARNING literal out of range for `i8`

    let fail = 0x8000_0000_0000_0000i64; //~WARNING literal out of range for `i64`

    let fail = 0x1_FFFF_FFFFu32; //~WARNING literal out of range for `u32`

    let fail: i128 = 0x8000_0000_0000_0000_0000_0000_0000_0000;
    //~^ WARNING literal out of range for `i128`

    let fail = 0x8FFF_FFFF_FFFF_FFFE; //~WARNING literal out of range for `i32`

    let fail = -0b1111_1111i8; //~WARNING literal out of range for `i8`
}