#![feature(generic_const_exprs)] #![allow(incomplete_features)] // We do not yet want to support let-bindings in abstract consts, // so this test should keep failing for now. fn test() -> [u8; { let x = N; N + 1 }] where [u8; { let x = N; N + 1 }]: Default { //~^ ERROR overly complex generic constant //~| ERROR overly complex generic constant Default::default() } fn main() { let x = test::<31>(); assert_eq!(x, [0; 32]); }