diff options
Diffstat (limited to 'lib/pure/includes/asyncfutures.nim')
| -rw-r--r-- | lib/pure/includes/asyncfutures.nim | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/pure/includes/asyncfutures.nim b/lib/pure/includes/asyncfutures.nim index d78464a91..dfcfa37a0 100644 --- a/lib/pure/includes/asyncfutures.nim +++ b/lib/pure/includes/asyncfutures.nim @@ -246,6 +246,7 @@ proc `or`*[T, Y](fut1: Future[T], fut2: Future[Y]): Future[void] = proc all*[T](futs: varargs[Future[T]]): auto = ## Returns a future which will complete once ## all futures in ``futs`` complete. + ## If the argument is empty, the returned future completes immediately. ## ## If the awaited futures are not ``Future[void]``, the returned future ## will hold the values of all awaited futures in a sequence. @@ -270,6 +271,9 @@ proc all*[T](futs: varargs[Future[T]]): auto = if completedFutures == totalFutures: retFuture.complete() + if totalFutures == 0: + retFuture.complete() + return retFuture else: @@ -292,4 +296,7 @@ proc all*[T](futs: varargs[Future[T]]): auto = setCallback(i) + if retValues.len == 0: + retFuture.complete(retValues) + return retFuture |