| #![feature(no_core)] | |
| #![no_core] | |
| #![feature(lang_items)] | |
| #[lang = "sized"] | |
| pub trait Sized {} | |
| #[lang = "fn_once"] | |
| pub trait FnOnce<Args> { | |
| #[lang = "fn_once_output"] | |
| type Output; | |
| extern "rust-call" fn call_once(self, args: Args) -> Self::Output; | |
| } | |
| struct BinOpInvalid { | |
| lhs: i32, | |
| rhs: i32, | |
| f: impl FnOnce(i32) -> i32, // { dg-error ".impl Trait. not allowed outside of function and inherent method return types .E0562." } | |
| } |