#![feature(plugin)] #![plugin(clippy)] #[allow(unused_variables)] #[deny(zero_divided_by_zero)] fn main() { let nan = 0.0 / 0.0; //~ERROR constant division of 0.0 with 0.0 will always result in NaN //~^ equal expressions as operands to `/` let f64_nan = 0.0 / 0.0f64; //~ERROR constant division of 0.0 with 0.0 will always result in NaN //~^ equal expressions as operands to `/` let other_f64_nan = 0.0f64 / 0.0; //~ERROR constant division of 0.0 with 0.0 will always result in NaN //~^ equal expressions as operands to `/` let one_more_f64_nan = 0.0f64/0.0f64; //~ERROR constant division of 0.0 with 0.0 will always result in NaN //~^ equal expressions as operands to `/` let zero = 0.0; let other_zero = 0.0; let other_nan = zero / other_zero; // fine - this lint doesn't propegate constants. let not_nan = 2.0/0.0; // not an error: 2/0 = inf let also_not_nan = 0.0/2.0; // not an error: 0/2 = 0 }