func()

in workflow.go [182:207]

• 26 lines of code
• 8 McCabe index (conditional complexity)

func (w *Workflow) StateOf(step Steper) *State {
	if w.Empty() || step == nil {
		return nil
	}
	for root := range w.steps {
		var find *State
		Traverse(root, func(s Steper, walked []Steper) TraverseDecision {
			if step == s {
				find = w.steps[root]
				return TraverseStop // found
			}
			if sub, ok := s.(interface{ StateOf(Steper) *State }); ok {
				if state := sub.StateOf(step); state != nil {
					find = state
					return TraverseStop // found in sub-workflow
				}
				return TraverseEndBranch // not found in sub-workflow
			}
			return TraverseContinue
		})
		if find != nil {
			return find
		}
	}
	return nil
}