#![warn(clippy::modulo_arithmetic)] #![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::modulo_one)] fn main() { // Lint on signed integral numbers let a = -1; let mut b = 2; a % b; //~^ 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 % a; //~^ 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 %= a; //~^ 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_i8: i8 = 1; let mut b_i8: i8 = 2; a_i8 % b_i8; //~^ 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_i8 %= a_i8; //~^ 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_i16: i16 = 1; let mut b_i16: i16 = 2; a_i16 % b_i16; //~^ 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_i16 %= a_i16; //~^ 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_i32: i32 = 1; let mut b_i32: i32 = 2; a_i32 % b_i32; //~^ 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_i32 %= a_i32; //~^ 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_i64: i64 = 1; let mut b_i64: i64 = 2; a_i64 % b_i64; //~^ 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_i64 %= a_i64; //~^ 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_i128: i128 = 1; let mut b_i128: i128 = 2; a_i128 % b_i128; //~^ 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_i128 %= a_i128; //~^ 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_isize: isize = 1; let mut b_isize: isize = 2; a_isize % b_isize; //~^ 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_isize %= a_isize; //~^ 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 = 1; let mut b = 2; a % b; //~^ 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 %= a; //~^ 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 on unsigned integral value let a_u8: u8 = 17; let b_u8: u8 = 3; a_u8 % b_u8; let mut a_u8: u8 = 1; a_u8 %= 2; let a_u16: u16 = 17; let b_u16: u16 = 3; a_u16 % b_u16; let mut a_u16: u16 = 1; a_u16 %= 2; let a_u32: u32 = 17; let b_u32: u32 = 3; a_u32 % b_u32; let mut a_u32: u32 = 1; a_u32 %= 2; let a_u64: u64 = 17; let b_u64: u64 = 3; a_u64 % b_u64; let mut a_u64: u64 = 1; a_u64 %= 2; let a_u128: u128 = 17; let b_u128: u128 = 3; a_u128 % b_u128; let mut a_u128: u128 = 1; a_u128 %= 2; let a_usize: usize = 17; let b_usize: usize = 3; a_usize % b_usize; let mut a_usize: usize = 1; a_usize %= 2; }