rust/tests/ui/const-generics/generic_const_exprs/abstract-const-as-cast-2.rs

22 lines
637 B
Rust

//@ run-rustfix
#![feature(generic_const_exprs)]
#![allow(incomplete_features, dead_code)]
struct Evaluatable<const N: u128> {}
struct Foo<const N: u8>([u8; N as usize])
//~^ ERROR unconstrained generic constant
where
Evaluatable<{N as u128}>:;
//~^ HELP try adding a `where` bound
struct Foo2<const N: u8>(Evaluatable::<{N as u128}>) where Evaluatable<{N as usize as u128 }>:;
//~^ ERROR unconstrained generic constant
//~| HELP try adding a `where` bound
struct Bar<const N: u8>([u8; (N + 2) as usize]) where [(); (N + 1) as usize]:;
//~^ ERROR unconstrained generic constant
//~| HELP try adding a `where` bound
fn main() {}