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Add lent annotation to avoid extra copies in sample (#18404)

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* Add lent annotation to avoid extra copies in sample

* Remove lent

* Update random.nim
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Antonis Geralis 2021-07-03 00:20:59 +03:00 • committed by GitHub
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lib/pure/random.nim
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@ -410,7 +410,7 @@ proc sample*[T](r: var Rand; a: openArray[T]): T =
result = a[r.rand(a.low..a.high)] result = a[r.rand(a.low..a.high)]
proc sample*[T](a: openArray[T]): T = proc sample*[T](a: openArray[T]): lent T =
## Returns a random element from `a`. ## Returns a random element from `a`.
## ##
## If `randomize <#randomize>`_ has not been called, the order of outcomes ## If `randomize <#randomize>`_ has not been called, the order of outcomes