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// Test equality constraints in a where clause where the type being
// equated appears in a supertrait.
pub trait Vehicle {
type Color;
fn go(&self) { }
}
pub trait Car : Vehicle {
fn honk(&self) { }
fn chip_paint(&self, c: Self::Color) { }
}
struct Black;
struct ModelT;
impl Vehicle for ModelT { type Color = Black; }
impl Car for ModelT { }
struct Blue;
struct ModelU;
impl Vehicle for ModelU { type Color = Blue; }
impl Car for ModelU { }
fn dent<C:Car>(c: C, color: C::Color) { c.chip_paint(color) }
fn a() { dent(ModelT, Black); }
fn b() { dent(ModelT, Blue); } //~ ERROR mismatched types
fn c() { dent(ModelU, Black); } //~ ERROR mismatched types
fn d() { dent(ModelU, Blue); }
fn e() { ModelT.chip_paint(Black); }
fn f() { ModelT.chip_paint(Blue); } //~ ERROR mismatched types
fn g() { ModelU.chip_paint(Black); } //~ ERROR mismatched types
fn h() { ModelU.chip_paint(Blue); }
pub fn main() { }
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