9 lines
149 B
Rust
9 lines
149 B
Rust
fn foo(f: &mut FnMut(isize, isize) -> isize) -> isize {
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f(1, 2)
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}
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fn main() {
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let z = foo(&mut |x, y| x * 10 + y);
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assert_eq!(z, 12);
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}
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