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|
// Test type checking of uses of associated types via sugary paths.
pub trait Foo {
type A;
fn dummy(&self) { }
}
impl Foo for i32 {
type A = u32;
}
pub fn f1<T: Foo>(a: T, x: T::A) {}
pub fn f2<T: Foo>(a: T) -> T::A {
panic!();
}
pub fn f1_int_int() {
f1(2i32, 4i32);
//~^ ERROR mismatched types
//~| expected `u32`, found `i32`
}
pub fn f1_int_uint() {
f1(2i32, 4u32);
}
pub fn f1_uint_uint() {
f1(2u32, 4u32);
//~^ ERROR `u32: Foo` is not satisfied
//~| ERROR `u32: Foo` is not satisfied
//~| ERROR `u32: Foo` is not satisfied
}
pub fn f1_uint_int() {
f1(2u32, 4i32);
//~^ ERROR `u32: Foo` is not satisfied
//~| ERROR `u32: Foo` is not satisfied
//~| ERROR `u32: Foo` is not satisfied
}
pub fn f2_int() {
let _: i32 = f2(2i32);
//~^ ERROR mismatched types
//~| expected `i32`, found `u32`
}
pub fn main() { }
|
