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// This checks that function pointer signatures that are referenced mutably
// but contain a &mut T parameter still fail in a constant context: see issue #114994.
//
// check-fail
const fn use_mut_const_fn(_f: &mut fn(&mut String)) { //~ ERROR mutable references are not allowed in constant functions
()
}
const fn use_mut_const_tuple_fn(_f: (fn(), &mut u32)) { //~ ERROR mutable references are not allowed in constant functions
}
fn main() {}
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