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| author | Dominik Picheta <dominikpicheta@gmail.com> | 2017-12-22 21:14:27 +0000 |
|---|---|---|
| committer | Dominik Picheta <dominikpicheta@gmail.com> | 2017-12-27 22:37:11 +0000 |
| commit | 52cc925e0e34580403b1a405ec8b4fa44c844de5 (patch) | |
| tree | ef96f547e0d8975133a1ad1a0373285bbe9ab45e /lib/pure/asyncmacro.nim | |
| parent | 7937e38423ee77100d99e84d4710edd6d9ec93ec (diff) | |
| download | Nim-52cc925e0e34580403b1a405ec8b4fa44c844de5.tar.gz | |
Fixes #6100.
Diffstat (limited to 'lib/pure/asyncmacro.nim')
| -rw-r--r-- | lib/pure/asyncmacro.nim | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/pure/asyncmacro.nim b/lib/pure/asyncmacro.nim index a8e378d5c..35523702d 100644 --- a/lib/pure/asyncmacro.nim +++ b/lib/pure/asyncmacro.nim @@ -32,6 +32,12 @@ template createCb(retFutureSym, iteratorNameSym, try: if not nameIterVar.finished: var next = nameIterVar() + # Continue while the yielded future is already finished. + while (not next.isNil) and next.finished: + next = nameIterVar() + if nameIterVar.finished: + break + if next == nil: if not retFutureSym.finished: let msg = "Async procedure ($1) yielded `nil`, are you await'ing a " & |