package expr import ( "fmt" "io" "github.com/z7zmey/php-parser/node" ) type Empty struct { node.SimpleNode expr node.Node } func NewEmpty(expression node.Node) node.Node { return Empty{ node.SimpleNode{Name: "Empty", Attributes: make(map[string]string)}, expression, } } func (n Empty) Print(out io.Writer, indent string) { fmt.Fprintf(out, "\n%v%v [- -]", indent, n.Name) if n.expr != nil { fmt.Fprintf(out, "\n%vexpr:", indent+" ") n.expr.Print(out, indent+" ") } }