mirror of https://github.com/rust-lang/rust
43 lines
658 B
Rust
43 lines
658 B
Rust
#![crate_type = "lib"]
|
|
|
|
use std::ops::Mul;
|
|
|
|
pub trait A {}
|
|
pub trait B {
|
|
type AT: A;
|
|
}
|
|
pub trait C {
|
|
type BT: B;
|
|
}
|
|
|
|
pub struct AV;
|
|
impl A for AV {}
|
|
|
|
pub struct BV;
|
|
impl B for BV {
|
|
type AT = AV;
|
|
}
|
|
|
|
pub struct CV;
|
|
impl C for CV {
|
|
type BT = BV;
|
|
}
|
|
|
|
pub struct WrapperB<T>(pub T);
|
|
pub struct WrapperC<T>(pub T);
|
|
|
|
impl<C1> Mul<WrapperB<<C1::BT as B>::AT>> for WrapperC<C1>
|
|
where C1: C
|
|
{
|
|
type Output = u8;
|
|
fn mul(self, _: WrapperB<<C1::BT as B>::AT>) -> Self::Output {
|
|
loop {}
|
|
}
|
|
}
|
|
impl<C1> Mul<WrapperC<C1>> for WrapperC<C1> {
|
|
type Output = u8;
|
|
fn mul(self, _: WrapperC<C1>) -> Self::Output {
|
|
loop {}
|
|
}
|
|
}
|