14 lines
247 B
Rust
14 lines
247 B
Rust
// run-pass
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use std::ops::FnMut;
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fn call_it<F:FnMut(i32,i32)->i32>(y: i32, mut f: F) -> i32 {
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f(2, y)
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}
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pub fn main() {
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let f = |x: i32, y: i32| -> i32 { x + y };
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let z = call_it(3, f);
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println!("{}", z);
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assert_eq!(z, 5);
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}
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