#![warn(clippy::modulo_arithmetic)] #![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::modulo_one)] fn main() { // Lint when both sides are const and of the opposite sign -1.6 % 2.1; //~^ ERROR: you are using modulo operator on constants with different signs: `-1.600 % //~| NOTE: double check for expected result especially when interoperating with differ 1.6 % -2.1; //~^ ERROR: you are using modulo operator on constants with different signs: `1.600 % //~| NOTE: double check for expected result especially when interoperating with differ (1.1 - 2.3) % (1.1 + 2.3); //~^ ERROR: you are using modulo operator on constants with different signs: `-1.200 % //~| NOTE: double check for expected result especially when interoperating with differ (1.1 + 2.3) % (1.1 - 2.3); //~^ ERROR: you are using modulo operator on constants with different signs: `3.400 % //~| NOTE: double check for expected result especially when interoperating with differ // Lint on floating point numbers let a_f32: f32 = -1.6; let mut b_f32: f32 = 2.1; a_f32 % b_f32; //~^ ERROR: you are using modulo operator on types that might have different signs //~| NOTE: double check for expected result especially when interoperating with differ b_f32 % a_f32; //~^ ERROR: you are using modulo operator on types that might have different signs //~| NOTE: double check for expected result especially when interoperating with differ b_f32 %= a_f32; //~^ ERROR: you are using modulo operator on types that might have different signs //~| NOTE: double check for expected result especially when interoperating with differ let a_f64: f64 = -1.6; let mut b_f64: f64 = 2.1; a_f64 % b_f64; //~^ ERROR: you are using modulo operator on types that might have different signs //~| NOTE: double check for expected result especially when interoperating with differ b_f64 % a_f64; //~^ ERROR: you are using modulo operator on types that might have different signs //~| NOTE: double check for expected result especially when interoperating with differ b_f64 %= a_f64; //~^ ERROR: you are using modulo operator on types that might have different signs //~| NOTE: double check for expected result especially when interoperating with differ // No lint when both sides are const and of the same sign 1.6 % 2.1; -1.6 % -2.1; (1.1 + 2.3) % (-1.1 + 2.3); (-1.1 - 2.3) % (1.1 - 2.3); }