mirror of https://github.com/rust-lang/rust.git
34 lines
598 B
Rust
34 lines
598 B
Rust
//@ run-pass
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#![allow(non_upper_case_globals)]
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// just to make sure that `return` is only returning from the closure,
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// not the surrounding function.
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static mut calls: usize = 0;
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fn surrounding() {
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let return_works = |n: isize| {
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unsafe { calls += 1 }
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if n >= 0 { return; }
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panic!()
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};
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return_works(10);
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return_works(20);
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let return_works_proc = |n: isize| {
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unsafe { calls += 1 }
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if n >= 0 { return; }
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panic!()
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};
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return_works_proc(10);
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}
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pub fn main() {
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surrounding();
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assert_eq!(unsafe {calls}, 3);
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}
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