rust/tests/ui/no-patterns-in-args.rs
2023-01-11 09:32:08 +00:00

16 lines
626 B
Rust

extern "C" {
fn f1(mut arg: u8); //~ ERROR patterns aren't allowed in foreign function declarations
fn f2(&arg: u8); //~ ERROR patterns aren't allowed in foreign function declarations
fn f3(arg @ _: u8); //~ ERROR patterns aren't allowed in foreign function declarations
fn g1(arg: u8); // OK
fn g2(_: u8); // OK
// fn g3(u8); // Not yet
}
type A1 = fn(mut arg: u8); //~ ERROR patterns aren't allowed in function pointer types
type A2 = fn(&arg: u8); //~ ERROR patterns aren't allowed in function pointer types
type B1 = fn(arg: u8); // OK
type B2 = fn(_: u8); // OK
type B3 = fn(u8); // OK
fn main() {}