77 lines
3.8 KiB
Rust
77 lines
3.8 KiB
Rust
#![warn(clippy::modulo_arithmetic)]
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#![allow(
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clippy::no_effect,
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clippy::unnecessary_operation,
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clippy::modulo_one,
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clippy::identity_op
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)]
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fn main() {
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// Lint when both sides are const and of the opposite sign
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-1 % 2;
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//~^ ERROR: you are using modulo operator on constants with different signs: `-1 % 2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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1 % -2;
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//~^ ERROR: you are using modulo operator on constants with different signs: `1 % -2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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(1 - 2) % (1 + 2);
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//~^ ERROR: you are using modulo operator on constants with different signs: `-1 % 3`
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//~| NOTE: double check for expected result especially when interoperating with differ
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(1 + 2) % (1 - 2);
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//~^ ERROR: you are using modulo operator on constants with different signs: `3 % -1`
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//~| NOTE: double check for expected result especially when interoperating with differ
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35 * (7 - 4 * 2) % (-500 * -600);
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//~^ ERROR: you are using modulo operator on constants with different signs: `-35 % 30
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//~| NOTE: double check for expected result especially when interoperating with differ
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-1i8 % 2i8;
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//~^ ERROR: you are using modulo operator on constants with different signs: `-1 % 2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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1i8 % -2i8;
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//~^ ERROR: you are using modulo operator on constants with different signs: `1 % -2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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-1i16 % 2i16;
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//~^ ERROR: you are using modulo operator on constants with different signs: `-1 % 2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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1i16 % -2i16;
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//~^ ERROR: you are using modulo operator on constants with different signs: `1 % -2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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-1i32 % 2i32;
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//~^ ERROR: you are using modulo operator on constants with different signs: `-1 % 2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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1i32 % -2i32;
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//~^ ERROR: you are using modulo operator on constants with different signs: `1 % -2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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-1i64 % 2i64;
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//~^ ERROR: you are using modulo operator on constants with different signs: `-1 % 2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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1i64 % -2i64;
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//~^ ERROR: you are using modulo operator on constants with different signs: `1 % -2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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-1i128 % 2i128;
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//~^ ERROR: you are using modulo operator on constants with different signs: `-1 % 2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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1i128 % -2i128;
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//~^ ERROR: you are using modulo operator on constants with different signs: `1 % -2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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-1isize % 2isize;
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//~^ ERROR: you are using modulo operator on constants with different signs: `-1 % 2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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1isize % -2isize;
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//~^ ERROR: you are using modulo operator on constants with different signs: `1 % -2`
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//~| NOTE: double check for expected result especially when interoperating with differ
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// No lint when both sides are const and of the same sign
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1 % 2;
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-1 % -2;
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(1 + 2) % (-1 + 2);
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(-1 - 2) % (1 - 2);
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1u8 % 2u8;
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1u16 % 2u16;
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1u32 % 2u32;
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1u64 % 2u64;
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1u128 % 2u128;
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1usize % 2usize;
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}
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