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

21 lines
493 B
Rust

// Unit test for the "user substitutions" that are annotated on each
// node.
// compile-flags:-Zverbose
#![allow(warnings)]
#![feature(rustc_attrs)]
struct SomeStruct<T> { t: T }
#[rustc_dump_user_substs]
fn main() {
SomeStruct { t: 22 }; // Nothing given, no annotation.
SomeStruct::<_> { t: 22 }; // Nothing interesting given, no annotation.
SomeStruct::<u32> { t: 22 }; // No lifetime bounds given.
SomeStruct::<&'static u32> { t: &22 }; //~ ERROR [&ReStatic u32]
}