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even more strict isNil handling for strings/seqs in order to detect bugs

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This commit is contained in:
Araq 2018-08-22 12:35:46 +02:00
commit 64517445ea
36 changed files with 193 additions and 245 deletions
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5
lib/system/threads.nim
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@ -393,8 +393,9 @@ proc onThreadDestruction*(handler: proc () {.closure, gcsafe.}) =
## A thread is destructed when the ``.thread`` proc returns
## normally or when it raises an exception. Note that unhandled exceptions
## in a thread nevertheless cause the whole process to die.
if threadDestructionHandlers.isNil:
threadDestructionHandlers = @[]
when not defined(nimNoNilSeqs):
if threadDestructionHandlers.isNil:
threadDestructionHandlers = @[]
threadDestructionHandlers.add handler
template afterThreadRuns() =