src/test/ui/const-generics/condition-in-trait-const-arg.rs

// run-pass

#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash

trait IsZeroTrait<const IS_ZERO: bool>{}

impl IsZeroTrait<{0u8 == 0u8}> for () {}

impl IsZeroTrait<true> for ((),) {}

fn main() {}