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docs: clarify asyncCheck vs waitFor

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citycide 2018-10-27 11:52:57 -05:00 • committed by Dominik Picheta
commit 4362ba7293
2 changed files with 5 additions and 2 deletions
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lib/pure/asyncfutures.nim
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@ -339,7 +339,8 @@ proc asyncCheck*[T](future: Future[T]) =
## Sets a callback on ``future`` which raises an exception if the future
## finished with an error.
##
## This should be used instead of ``discard`` to discard void futures.
## This should be used instead of ``discard`` to discard void futures,
## or use ``waitFor`` if you need to wait for the future's completion.
assert(not future.isNil, "Future is nil")
future.callback =
proc () =