rust/tests/ui/impl-trait/erased-regions-in-hidden-ty.rs
2023-10-23 16:18:35 -04:00

24 lines
708 B
Rust

// revisions: current next
// compile-flags: -Zverbose
//[next] compile-flags: -Ztrait-solver=next
// normalize-stderr-test "DefId\([^\)]+\)" -> "DefId(..)"
#![feature(rustc_attrs)]
#![rustc_hidden_type_of_opaques]
// Make sure that the compiler can handle `ReErased` in the hidden type of an opaque.
fn foo<'a: 'a>(x: &'a Vec<i32>) -> impl Fn() + 'static {
//~^ ERROR 0, 'a)>::{closure#0} closure_kind_ty=i8 closure_sig_as_fn_ptr_ty=extern "rust-call" fn(()) upvar_tys=()}
// Can't write whole type because of lack of path sanitization
|| ()
}
fn bar() -> impl Fn() + 'static {
//~^ ERROR , [ReErased])
// Can't write whole type because of lack of path sanitization
foo(&vec![])
}
fn main() {}