add comments

node/name/fully_qualified.go

@@ -4,10 +4,12 @@ import (
 	"github.com/z7zmey/php-parser/node"
 )
 
+// FullyQualified node
 type FullyQualified struct {
 	Name
 }
 
+// NewFullyQualified node constuctor
 func NewFullyQualified(Parts []node.Node) *FullyQualified {
 	return &FullyQualified{
 		Name{

node/name/name.go

@@ -4,20 +4,25 @@ import (
 	"github.com/z7zmey/php-parser/node"
 )
 
+// Name node
 type Name struct {
 	Parts []node.Node
 }
 
+// NewName node constuctor
 func NewName(Parts []node.Node) *Name {
 	return &Name{
 		Parts,
 	}
 }
 
+// Attributes returns node attributes as map
 func (n *Name) Attributes() map[string]interface{} {
 	return nil
 }
 
+// Walk traverses nodes
+// Walk is invoked recursively until v.EnterNode returns true
 func (n *Name) Walk(v node.Visitor) {
 	if v.EnterNode(n) == false {
 		return

node/name/name_part.go

@@ -4,22 +4,27 @@ import (
 	"github.com/z7zmey/php-parser/node"
 )
 
+// NamePart node
 type NamePart struct {
 	Value string
 }
 
+// NewNamePart node constuctor
 func NewNamePart(Value string) *NamePart {
 	return &NamePart{
 		Value,
 	}
 }
 
+// Attributes returns node attributes as map
 func (n *NamePart) Attributes() map[string]interface{} {
 	return map[string]interface{}{
 		"Value": n.Value,
 	}
 }
 
+// Walk traverses nodes
+// Walk is invoked recursively until v.EnterNode returns true
 func (n *NamePart) Walk(v node.Visitor) {
 	if v.EnterNode(n) == false {
 		return

node/name/relative.go

@@ -4,10 +4,12 @@ import (
 	"github.com/z7zmey/php-parser/node"
 )
 
+// Relative node
 type Relative struct {
 	Name
 }
 
+// NewRelative node constuctor
 func NewRelative(Parts []node.Node) *Relative {
 	return &Relative{
 		Name{