2019-07-26 21:54:25 +00:00
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// run-pass
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2023-07-04 21:43:21 +00:00
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// revisions: classic next
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//[next] compile-flags: -Ztrait-solver=next
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2019-07-26 21:54:25 +00:00
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2018-11-04 04:47:10 +00:00
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trait Foo: Fn(i32) -> i32 + Send {}
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2018-10-12 00:50:03 +00:00
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2018-11-04 04:47:10 +00:00
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impl<T: ?Sized + Fn(i32) -> i32 + Send> Foo for T {}
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2018-10-12 00:50:03 +00:00
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2019-05-28 18:47:21 +00:00
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fn wants_foo(f: Box<dyn Foo>) -> i32 {
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2018-11-04 04:47:10 +00:00
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f(42)
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}
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2018-10-25 00:03:25 +00:00
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2018-11-04 04:47:10 +00:00
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fn main() {
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let f = Box::new(|x| x);
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assert_eq!(wants_foo(f), 42);
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2018-10-12 00:50:03 +00:00
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}
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