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now considering case of empty input when computing output of parallel… #44

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merged 1 commit into from
Jun 18, 2024
Merged

now considering case of empty input when computing output of parallel… #44

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4 changes: 2 additions & 2 deletions source/FingerBoard-Core/FBFlowInstance.class.st
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Original file line number Diff line number Diff line change
Expand Up @@ -209,9 +209,9 @@ FBFlowInstance >> nextTransition [
]

{ #category : #accessing }
FBFlowInstance >> parallelExecutorFrom: aNode [
FBFlowInstance >> parallelExecutorFrom: aNode ifAbsent: aBlock [

^ executors detect: [ :each | each isParallel and: [each node = aNode] ]
^ executors detect: [ :each | each isParallel and: [each node = aNode] ] ifNone: aBlock
]

{ #category : #accessing }
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3 changes: 2 additions & 1 deletion source/FingerBoard-Core/FBParallelNode.class.st
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Expand Up @@ -20,6 +20,7 @@ FBParallelNode >> outputFor: anActivation [
if no execution in progress, returns the first element of the input value"

| executor |
executor := anActivation instance parallelExecutorFrom: self.

executor := anActivation instance parallelExecutorFrom: self ifAbsent: ["if there was no input, there was no output for the parallel node"^ nil].
^ executor outputFor: anActivation
]
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