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