2019-07-02 21:30:28 +00:00
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// build-pass (FIXME(62277): could be check-pass?)
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2018-01-02 17:08:49 +00:00
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#![deny(non_camel_case_types)]
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#[allow(dead_code)]
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fn qqq(lol: impl Iterator<Item=u32>) -> impl Iterator<Item=u64> {
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lol.map(|x|x as u64)
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}
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fn main() {}
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