Adds helper to know if a field is a repeated one. Closes #32

helpers.go

@@ -58,6 +58,7 @@ var ProtoHelpersFuncMap = template.FuncMap{
 	},
 	"getMessageType":  getMessageType,
 	"isFieldMessage":  isFieldMessage,
+	"isFieldRepeated": isFieldRepeated,
 	"goType":          goType,
 	"httpVerb":        httpVerb,
 	"httpPath":        httpPath,
@@ -89,6 +90,14 @@ func isFieldMessage(f *descriptor.FieldDescriptorProto) bool {
 	return false
 }
 
+func isFieldRepeated(f *descriptor.FieldDescriptorProto) bool {
+	if f.Type != nil && f.Label != nil && *f.Label == descriptor.FieldDescriptorProto_LABEL_REPEATED {
+		return true
+	}
+
+	return false
+}
+
 func goType(pkg string, f *descriptor.FieldDescriptorProto) string {
 	switch *f.Type {
 	case descriptor.FieldDescriptorProto_TYPE_DOUBLE: