rust/tests/ui/const-generics/overlapping_impls.rs

38 lines
650 B
Rust

//@ check-pass
#![allow(incomplete_features)]
#![feature(adt_const_params)]
#![feature(generic_const_exprs)]
use std::marker::{ConstParamTy, PhantomData};
struct Foo<const I: i32, const J: i32> {}
const ONE: i32 = 1;
const TWO: i32 = 2;
impl<const I: i32> Foo<I, ONE> {
pub fn foo() {}
}
impl<const I: i32> Foo<I, TWO> {
pub fn foo() {}
}
pub struct Foo2<const P: Protocol, T> {
_marker: PhantomData<T>,
}
#[derive(PartialEq, Eq, ConstParamTy)]
pub enum Protocol {
Variant1,
Variant2,
}
pub trait Bar {}
impl<T> Bar for Foo2<{ Protocol::Variant1 }, T> {}
impl<T> Bar for Foo2<{ Protocol::Variant2 }, T> {}
fn main() {}