package node import "github.com/z7zmey/php-parser/comment" type Nullable struct { position *Position comments *[]comment.Comment Expr Node } func NewNullable(Expression Node) *Nullable { return &Nullable{ nil, nil, Expression, } } func (n *Nullable) Attributes() map[string]interface{} { return nil } func (n *Nullable) Position() *Position { return n.position } func (n *Nullable) SetPosition(p *Position) Node { n.position = p return n } func (n *Nullable) Comments() *[]comment.Comment { return n.comments } func (n *Nullable) SetComments(c *[]comment.Comment) Node { n.comments = c return n } func (n *Nullable) Walk(v Visitor) { if v.EnterNode(n) == false { return } if n.Expr != nil { vv := v.GetChildrenVisitor("Expr") n.Expr.Walk(vv) } v.LeaveNode(n) }