Function collectAndTerms

pkg/workflow/expression_optimizer.go:167–172

collectAndTerms recursively flattens a chain of AndNode into a flat slice of leaf terms so that cross-chain deduplication can be performed in a single pass.

(node ConditionNode)

// collectAndTerms recursively flattens a chain of AndNode into a flat slice of
// leaf terms so that cross-chain deduplication can be performed in a single pass.
func collectAndTerms(node ConditionNode) []ConditionNode {
	if and, ok := node.(*AndNode); ok {
		return append(collectAndTerms(and.Left), collectAndTerms(and.Right)...)
	}
	return []ConditionNode{node}
}

// rebuildAndChain assembles a left-folded AndNode chain from a non-empty slice.
func rebuildAndChain(terms []ConditionNode) ConditionNode {