Function sumArrayFold

optimizer/sum_array.go:22–37

(array *ArrayNode)

}

func sumArrayFold(array *ArrayNode) *BinaryNode {
	if len(array.Nodes) > 2 {
		return &BinaryNode{
			Operator: "+",
			Left:     array.Nodes[0],
			Right:    sumArrayFold(&ArrayNode{Nodes: array.Nodes[1:]}),
		}
	} else if len(array.Nodes) == 2 {
		return &BinaryNode{
			Operator: "+",
			Left:     array.Nodes[0],
			Right:    array.Nodes[1],
		}
	}
	panic(fmt.Errorf("sumArrayFold: invalid array length %d", len(array.Nodes)))
}