package expr import ( "github.com/z7zmey/php-parser/node" ) type Empty struct { name string attributes map[string]interface{} expr node.Node } func NewEmpty(expression node.Node) node.Node { return Empty{ "Empty", map[string]interface{}{}, expression, } } func (n Empty) Name() string { return "Empty" } func (n Empty) Attributes() map[string]interface{} { return n.attributes } func (n Empty) Walk(v node.Visitor) { if v.EnterNode(n) == false { return } if n.expr != nil { vv := v.GetChildrenVisitor("expr") n.expr.Walk(vv) } v.LeaveNode(n) }