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trait Foo {
type X;
type Y;
}
fn have_x_want_x<T:Foo<X=u32>>(t: &T)
{
want_x(t);
}
fn have_x_want_y<T:Foo<X=u32>>(t: &T)
{
want_y(t); //~ ERROR type mismatch
}
fn have_y_want_x<T:Foo<Y=i32>>(t: &T)
{
want_x(t); //~ ERROR type mismatch
}
fn have_y_want_y<T:Foo<Y=i32>>(t: &T)
{
want_y(t);
}
fn have_xy_want_x<T:Foo<X=u32,Y=i32>>(t: &T)
{
want_x(t);
}
fn have_xy_want_y<T:Foo<X=u32,Y=i32>>(t: &T)
{
want_y(t);
}
fn have_xy_want_xy<T:Foo<X=u32,Y=i32>>(t: &T)
{
want_x(t);
want_y(t);
}
fn want_x<T:Foo<X=u32>>(t: &T) { }
fn want_y<T:Foo<Y=i32>>(t: &T) { }
fn main() { }
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