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