rust/tests/ui/parser/recover-const-async-fn-ptr.rs
2023-01-11 09:32:08 +00:00

26 lines
1.4 KiB
Rust

// edition:2018
type T0 = const fn(); //~ ERROR an `fn` pointer type cannot be `const`
type T1 = const extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `const`
type T2 = const unsafe extern fn(); //~ ERROR an `fn` pointer type cannot be `const`
type T3 = async fn(); //~ ERROR an `fn` pointer type cannot be `async`
type T4 = async extern fn(); //~ ERROR an `fn` pointer type cannot be `async`
type T5 = async unsafe extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `async`
type T6 = const async unsafe extern "C" fn();
//~^ ERROR an `fn` pointer type cannot be `const`
//~| ERROR an `fn` pointer type cannot be `async`
type FT0 = for<'a> const fn(); //~ ERROR an `fn` pointer type cannot be `const`
type FT1 = for<'a> const extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `const`
type FT2 = for<'a> const unsafe extern fn(); //~ ERROR an `fn` pointer type cannot be `const`
type FT3 = for<'a> async fn(); //~ ERROR an `fn` pointer type cannot be `async`
type FT4 = for<'a> async extern fn(); //~ ERROR an `fn` pointer type cannot be `async`
type FT5 = for<'a> async unsafe extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `async`
type FT6 = for<'a> const async unsafe extern "C" fn();
//~^ ERROR an `fn` pointer type cannot be `const`
//~| ERROR an `fn` pointer type cannot be `async`
fn main() {
let _recovery_witness: () = 0; //~ ERROR mismatched types
}