Method AddChild

src/expression/Expression.go:19–26

AddChild adds a child to the expression.

(child *Expression)

// AddChild adds a child to the expression.
func (expr *Expression) AddChild(child *Expression) {
	if expr.Children == nil {
		expr.Children = make([]*Expression, 0, 2)
	}

	expr.Children = append(expr.Children, child)
	child.Parent = expr
}

// EachLeaf iterates through all leaves in the tree.
func (expr *Expression) EachLeaf(yield func(*Expression) bool) bool {