package expr import ( "github.com/z7zmey/php-parser/node" ) type Empty struct { position *node.Position Expr node.Node } func NewEmpty(Expression node.Node) *Empty { return &Empty{ nil, Expression, } } func (n *Empty) Attributes() map[string]interface{} { return nil } func (n *Empty) Position() *node.Position { return n.position } func (n *Empty) SetPosition(p *node.Position) node.Node { n.position = p return n } 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) }