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