40ae34194c
detects redundant imports that can be eliminated. for #117772 : In order to facilitate review and modification, split the checking code and removing redundant imports code into two PR.
15 lines
287 B
Rust
15 lines
287 B
Rust
// run-pass
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fn make_adder(x: i32) -> Box<dyn FnMut(i32)->i32+'static> {
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Box::new(move |y: i32| -> i32 { x + y }) as
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Box<dyn FnMut(i32)->i32+'static>
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}
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pub fn main() {
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let mut adder = make_adder(3);
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let z = adder(2);
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println!("{}", z);
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assert_eq!(z, 5);
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}
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