// edition:2021 #![feature(rustc_attrs)] #![allow(unused)] #![allow(dead_code)] struct Int(i32); struct B<'a>(&'a i32); const I : Int = Int(0); const REF_I : &'static Int = &I; struct MyStruct<'a> { a: &'static Int, b: B<'a>, } fn foo<'a, 'b>(m: &'a MyStruct<'b>) -> impl FnMut() + 'static { let c = #[rustc_capture_analysis] || drop(&m.a.0); //~^ ERROR: attributes on expressions are experimental //~| NOTE: see issue #15701 //~| ERROR: First Pass analysis includes: //~| ERROR: Min Capture analysis includes: //~| NOTE: Capturing m[Deref,(0, 0),Deref,(0, 0)] -> ImmBorrow //~| NOTE: Min Capture m[Deref,(0, 0),Deref] -> ImmBorrow c } fn main() { let t = 0; let s = MyStruct { a: REF_I, b: B(&t) }; let _ = foo(&s); }