mirror of
https://github.com/rust-lang/rust-clippy
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49 lines
2.5 KiB
Rust
49 lines
2.5 KiB
Rust
#![warn(clippy::modulo_arithmetic)]
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#![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::modulo_one)]
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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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-1.6 % 2.1;
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//~^ ERROR: you are using modulo operator on constants with different signs: `-1.600 %
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//~| NOTE: double check for expected result especially when interoperating with differ
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1.6 % -2.1;
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//~^ ERROR: you are using modulo operator on constants with different signs: `1.600 %
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//~| NOTE: double check for expected result especially when interoperating with differ
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(1.1 - 2.3) % (1.1 + 2.3);
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//~^ ERROR: you are using modulo operator on constants with different signs: `-1.200 %
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//~| NOTE: double check for expected result especially when interoperating with differ
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(1.1 + 2.3) % (1.1 - 2.3);
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//~^ ERROR: you are using modulo operator on constants with different signs: `3.400 %
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//~| NOTE: double check for expected result especially when interoperating with differ
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// Lint on floating point numbers
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let a_f32: f32 = -1.6;
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let mut b_f32: f32 = 2.1;
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a_f32 % b_f32;
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//~^ ERROR: you are using modulo operator on types that might have different signs
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//~| NOTE: double check for expected result especially when interoperating with differ
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b_f32 % a_f32;
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//~^ ERROR: you are using modulo operator on types that might have different signs
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//~| NOTE: double check for expected result especially when interoperating with differ
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b_f32 %= a_f32;
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//~^ ERROR: you are using modulo operator on types that might have different signs
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//~| NOTE: double check for expected result especially when interoperating with differ
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let a_f64: f64 = -1.6;
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let mut b_f64: f64 = 2.1;
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a_f64 % b_f64;
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//~^ ERROR: you are using modulo operator on types that might have different signs
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//~| NOTE: double check for expected result especially when interoperating with differ
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b_f64 % a_f64;
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//~^ ERROR: you are using modulo operator on types that might have different signs
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//~| NOTE: double check for expected result especially when interoperating with differ
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b_f64 %= a_f64;
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//~^ ERROR: you are using modulo operator on types that might have different signs
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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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1.6 % 2.1;
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-1.6 % -2.1;
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(1.1 + 2.3) % (-1.1 + 2.3);
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(-1.1 - 2.3) % (1.1 - 2.3);
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}
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