[Issue 23755] array.until!pred should return an array

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23755

Ate Eskola <Ajieskola at gmail.com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
                 CC|                            |Ajieskola at gmail.com
         Resolution|---                         |INVALID

--- Comment #1 from Ate Eskola <Ajieskola at gmail.com> ---
Nope. `until` is a lazy algorithm and it says it in it's documentation. To
return an array, it would have to work eagerly and therefore break it's
performance assumptions.

You can get a slice without copying it with `findSplitBefore`.

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