12 lines
305 B
Rust
12 lines
305 B
Rust
//@ revisions: current next
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//@[next] compile-flags: -Znext-solver
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struct Test {
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func: Box<dyn FnMut() + 'static>,
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}
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fn main() {
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let closure: Box<dyn Fn() + 'static> = Box::new(|| ());
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let test = Box::new(Test { func: closure }); //~ ERROR trait upcasting coercion is experimental [E0658]
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}
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