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Masaki Hara (qnighy@qnmd.info)'s status on Monday, 22-Oct-2018 10:04:15 JST Masaki Hara

https://users.rust-lang.org/t/suggestion-a-take-n-like-iterator-method-that-does-not-take-ownership/21479
イテレータを最初のn個とそれ以降に分割するには？→as_refとtakeを組み合わせる
In conversation Monday, 22-Oct-2018 10:04:15 JST from qnmd.info permalink
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  Suggestion: a `.take(n)`-like Iterator method that does not take ownership
  
  from The Rust Programming Language Forum
  
  Ever wanted to write this kind of code ? fn main () { let mut iterator = (0 .. 10).into_iter(); for x in iterator.take(3) { println!("{} is in the podium!", x); }; for x in iterator { println!("{} is not, but maybe next time?", x); }; } playground Obviously it cannot work since .take(n) takes (duh) ownership of iterator. This can however be fixed by (mutably) borrowing iterator for the time of that first iteration: fn main () { let mut iterator = (0 ...

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