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// Unit test for the "user substitutions" that are annotated on each
// node.
trait Bazoom<T>: Sized {
fn method<U>(self, arg: T, arg2: U) { }
}
impl<T, U> Bazoom<U> for T {
}
fn annot_underscore() {
let a = 22;
let b = 44;
let c = 66;
<_ as Bazoom<_>>::method::<_>(&a, b, c); // OK
}
fn annot_reference_any_lifetime() {
let a = 22;
let b = 44;
let c = 66;
<&u32 as Bazoom<_>>::method(&a, b, c); // OK
}
fn annot_reference_static_lifetime() {
let a = 22;
let b = 44;
let c = 66;
let x = <&'static u32 as Bazoom<_>>::method;
x(&a, b, c); //~ ERROR
}
fn annot_reference_named_lifetime<'a>(_d: &'a u32) {
let a = 22;
let b = 44;
let c = 66;
<&'a u32 as Bazoom<_>>::method(&a, b, c); //~ ERROR
}
fn annot_reference_named_lifetime_ok<'a>(a: &'a u32) {
let b = 44;
let c = 66;
<&'a u32 as Bazoom<_>>::method(&a, b, c);
}
fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) {
let a = 22;
let b = 44;
let _closure = || {
let c = 66;
<&'a u32 as Bazoom<_>>::method(&a, b, c); //~ ERROR
};
}
fn annot_reference_named_lifetime_in_closure_ok<'a>(a: &'a u32) {
let b = 44;
let c = 66;
let _closure = || {
<&'a u32 as Bazoom<_>>::method(&a, b, c);
};
}
fn main() { }
|
