20 lines
277 B
Rust
20 lines
277 B
Rust
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// edition:2021
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// run-pass
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fn solve<F>(validate: F) -> Option<u64>
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where
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F: Fn(&mut [i8; 1]),
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{
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let mut position: [i8; 1] = [1];
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Some(0).map(|_| {
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validate(&mut position);
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let [_x] = position;
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0
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})
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}
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fn main() {
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solve(|_| ());
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}
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