rust/tests/ui/traits/const-traits/no-explicit-const-params.rs

28 lines
673 B
Rust

#![feature(const_trait_impl)]
const fn foo() {}
#[const_trait]
trait Bar {
fn bar();
}
impl Bar for () {
fn bar() {}
}
fn main() {
foo::<true>();
//~^ ERROR: function takes 0 generic arguments but 1 generic argument was supplied
<() as Bar<true>>::bar();
//~^ ERROR: trait takes 0 generic arguments but 1 generic argument was supplied
}
const FOO: () = {
foo::<false>();
//~^ ERROR: function takes 0 generic arguments but 1 generic argument was supplied
<() as Bar<false>>::bar();
//~^ ERROR: trait takes 0 generic arguments but 1 generic argument was supplied
//~| ERROR the trait bound `(): const Bar` is not satisfied
};