rust/tests/ui/nll/user-annotations/adt-tuple-struct.rs
2023-01-11 09:32:08 +00:00

49 lines
926 B
Rust

// Unit test for the "user substitutions" that are annotated on each
// node.
struct SomeStruct<T>(T);
fn no_annot() {
let c = 66;
SomeStruct(&c);
}
fn annot_underscore() {
let c = 66;
SomeStruct::<_>(&c);
}
fn annot_reference_any_lifetime() {
let c = 66;
SomeStruct::<&u32>(&c);
}
fn annot_reference_static_lifetime() {
let c = 66;
SomeStruct::<&'static u32>(&c); //~ ERROR
}
fn annot_reference_named_lifetime<'a>(_d: &'a u32) {
let c = 66;
SomeStruct::<&'a u32>(&c); //~ ERROR
}
fn annot_reference_named_lifetime_ok<'a>(c: &'a u32) {
SomeStruct::<&'a u32>(c);
}
fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) {
let _closure = || {
let c = 66;
SomeStruct::<&'a u32>(&c); //~ ERROR
};
}
fn annot_reference_named_lifetime_in_closure_ok<'a>(c: &'a u32) {
let _closure = || {
SomeStruct::<&'a u32>(c);
};
}
fn main() { }