rust/src/test/ui/feature-gates/feature-gate-never_type.rs

18 lines
440 B
Rust

// Test that ! errors when used in illegal positions with feature(never_type) disabled
trait Foo {
type Wub;
}
type Ma = (u32, !, i32); //~ ERROR type is experimental
type Meeshka = Vec<!>; //~ ERROR type is experimental
type Mow = &'static fn(!) -> !; //~ ERROR type is experimental
type Skwoz = &'static mut !; //~ ERROR type is experimental
impl Foo for Meeshka {
type Wub = !; //~ ERROR type is experimental
}
fn main() {
}