10 lines
176 B
Rust
10 lines
176 B
Rust
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// check-pass
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fn take_edge_counters(
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x: &mut Option<Vec<i32>>,
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) -> Option<impl Iterator<Item = i32>> {
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x.take().map_or(None, |m| Some(m.into_iter()))
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}
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fn main() {}
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