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//@ run-pass
// Test equality constrai32s on associated types in a where clause.
pub trait ToI32 {
fn to_i32(&self) -> i32;
}
impl ToI32 for i32 {
fn to_i32(&self) -> i32 { *self }
}
impl ToI32 for u32 {
fn to_i32(&self) -> i32 { *self as i32 }
}
pub trait GetToI32
{
type R : ToI32;
fn get(&self) -> <Self as GetToI32>::R;
}
impl GetToI32 for i32 {
type R = i32;
fn get(&self) -> i32 { *self }
}
impl GetToI32 for u32 {
type R = u32;
fn get(&self) -> u32 { *self }
}
fn foo<G>(g: G) -> i32
where G : GetToI32
{
ToI32::to_i32(&g.get())
}
pub fn main() {
assert_eq!(foo(22i32), 22);
assert_eq!(foo(22u32), 22);
}
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