1 // Unit test for the "user substitutions" that are annotated on each
4 trait Bazoom<T>: Sized {
5 fn method<U>(self, arg: T, arg2: U) { }
8 impl<T, U> Bazoom<U> for T {
11 fn annot_underscore() {
15 <_ as Bazoom<_>>::method(a, &b, c); // OK
18 fn annot_reference_any_lifetime() {
22 <_ as Bazoom<&u32>>::method(a, &b, c); // OK
25 fn annot_reference_static_lifetime() {
29 let x = <&'static u32 as Bazoom<_>>::method;
30 x(&a, b, c); //~ ERROR
33 fn annot_reference_named_lifetime<'a>(_d: &'a u32) {
37 <_ as Bazoom<&'a u32>>::method(a, &b, c); //~ ERROR
40 fn annot_reference_named_lifetime_ok<'a>(b: &'a u32) {
43 <_ as Bazoom<&'a u32>>::method(a, &b, c);
46 fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) {
51 <_ as Bazoom<&'a u32>>::method(a, &b, c); //~ ERROR
55 fn annot_reference_named_lifetime_in_closure_ok<'a>(b: &'a u32) {
59 <_ as Bazoom<&'a u32>>::method(a, &b, c);