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Use more lent in options (#15208)

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Mamy Ratsimbazafy 2020-08-24 08:05:17 +02:00 • committed by GitHub
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4
lib/pure/options.nim
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@ -363,14 +363,14 @@ proc `$`*[T](self: Option[T]): string =
else: else:
result = "None[" & name(T) & "]" result = "None[" & name(T) & "]"
proc unsafeGet*[T](self: Option[T]): T {.inline.}= proc unsafeGet*[T](self: Option[T]): lent T {.inline.}=
## Returns the value of a `some`. Behavior is undefined for `none`. ## Returns the value of a `some`. Behavior is undefined for `none`.
## ##
## **Note:** Use it only when you are **absolutely sure** the value is present ## **Note:** Use it only when you are **absolutely sure** the value is present
## (e.g. after checking `isSome <#isSome,Option[T]>`_). ## (e.g. after checking `isSome <#isSome,Option[T]>`_).
## Generally, using `get proc <#get,Option[T]>`_ is preferred. ## Generally, using `get proc <#get,Option[T]>`_ is preferred.
assert self.isSome assert self.isSome
self.val result = self.val
when isMainModule: when isMainModule: