mirror of https://github.com/rust-lang/rust
18 lines
774 B
Rust
18 lines
774 B
Rust
// A few contrived examples where lifetime should (or should not) be parsed as an object type.
|
|
// Lifetimes parsed as types are still rejected later by semantic checks.
|
|
|
|
struct S<'a, T>(&'a u8, T);
|
|
|
|
fn main() {
|
|
// `'static` is a lifetime argument, `'static +` is a type argument
|
|
let _: S<'static, u8>;
|
|
let _: S<'static, dyn 'static +>;
|
|
//~^ at least one trait is required for an object type
|
|
let _: S<'static, 'static>;
|
|
//~^ ERROR struct takes 1 lifetime argument but 2 lifetime arguments were supplied
|
|
//~| ERROR struct takes 1 generic argument but 0 generic arguments were supplied
|
|
let _: S<dyn 'static +, 'static>;
|
|
//~^ ERROR type provided when a lifetime was expected
|
|
//~| ERROR at least one trait is required for an object type
|
|
}
|