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// Check that evaluation of needs_drop<T> fails when T is not monomorphic.
#![feature(generic_const_exprs)]
#![allow(const_evaluatable_unchecked)]
#![allow(incomplete_features)]
struct Bool<const B: bool> {}
impl Bool<true> {
fn assert() {}
}
fn f<T>() {
Bool::<{ std::mem::needs_drop::<T>() }>::assert();
//~^ ERROR no function or associated item named `assert` found
//~| ERROR unconstrained generic constant
}
fn main() {
f::<u32>();
}
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