rust/src/test/ui/const-generics/uninferred-consts-during-codegen-2.rs

19 lines
422 B
Rust
Raw Normal View History

// run-pass
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash
use std::fmt;
struct Array<T>(T);
impl<T: fmt::Debug, const N: usize> fmt::Debug for Array<[T; N]> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_list().entries((&self.0 as &[T]).iter()).finish()
}
}
fn main() {
println!("{:?}", Array([1, 2, 3]));
}