rust/tests/ui/const-generics/defaults/trait_objects_fail.rs
2023-01-11 09:32:08 +00:00

31 lines
524 B
Rust

trait Trait<const N: u8 = 12> {
fn uwu(&self) -> u8 {
N
}
}
impl Trait<2> for u32 {}
fn foo(arg: &dyn Trait) -> u8 {
arg.uwu()
}
trait Traitor<const N: u8 = 1, const M: u8 = N> {
fn owo(&self) -> u8 {
M
}
}
impl Traitor<2, 3> for bool {}
fn bar<const N: u8>(arg: &dyn Traitor<N>) -> u8 {
arg.owo()
}
fn main() {
foo(&10_u32);
//~^ error: the trait bound `u32: Trait` is not satisfied
bar(&true);
//~^ error: the trait bound `bool: Traitor<_>` is not satisfied
}