19 lines
383 B
Rust
19 lines
383 B
Rust
//@ run-pass
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// Tests that the re-exports of `FnOnce` et al from the prelude work.
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//@ pretty-expanded FIXME #23616
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fn main() {
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let task: Box<dyn Fn(isize) -> isize> = Box::new(|x| x);
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task(0);
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let mut task: Box<dyn FnMut(isize) -> isize> = Box::new(|x| x);
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task(0);
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call(|x| x, 22);
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}
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fn call<F:FnOnce(isize) -> isize>(f: F, x: isize) -> isize {
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f(x)
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}
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