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//@ run-pass
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// Tests calls to closure arguments where the closure takes 1 argument.
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// This is a bit tricky due to rust-call ABI.
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fn foo(f: &mut dyn FnMut(isize) -> isize) -> isize {
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f(22)
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}
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fn main() {
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let z = foo(&mut |x| x *100);
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assert_eq!(z, 2200);
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}
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