Change api

example/json.dart

@@ -61,30 +61,27 @@ getJSON() {
 
 main() {
 
-  /**************************************
-   * Json
-   */
-
   // create Json object and
-  var json = new dlog.Json(
+  var debug = new dlog.Json(
       title: "My",
       data: new List()
   );
 
-  json.data = getJSON();
-  json.title += " json";
+  debug.data = getJSON();
+  debug.title += " json";
 
   // max length for string (set null for output full string)
-  json.maxStringLen = 50;
+  debug.maxStringLen = 50;
 
   // custom data parsers (custom parsers for List, Map and String types will be ignored)
-  json.parsers["int"] = (int num) => "$num <-- int";
+  debug.parsers["int"] = (int num) => "$num <-- int";
 
   // output
-  print(json);
+  print(debug);
 
-  json.flush = true;
-  json.maxStringLen = 10;
-  print(json);
+  // no clear buffer [by default: true]
+  debug.flush = false;
+  debug.maxStringLen = 10;
+  print(debug);
 
 }

example/time.dart

@@ -0,0 +1,40 @@
+// Copyright (c) 2015, Viktor Dakalov. All rights reserved. Use of this source code
+// is governed by a BSD-style license that can be found in the LICENSE file.
+
+library dlog.example.time;
+
+import "dart:math";
+import "package:dlog/dlog.dart" as dlog;
+
+// a function that is performed for a long time
+power() {
+  int len = 1000;
+  while (len-- > 0) {
+    sqrt(pow(new Random().nextDouble(), new Random().nextDouble()));
+  }
+}
+
+power2() {
+  power();
+}
+
+power3() {
+  power();
+}
+
+main() {
+
+  // create Time object and specity descrption
+  // object can be used throughout the application
+  var debug = new dlog.Time("Cycle")..init();
+
+  // call check after separated logic operation
+  debug.checkFunc("once call power", power);
+
+  // call power several times
+  debug.checkLoopFunc("call power in loop 10", 10, power3);
+
+  // output
+  print(debug);
+
+}

example/tree.dart

@@ -20,19 +20,18 @@ List<Map> users = [
 
 main() {
 
-  var users_tree = new dlog.Tree("Users");
-  users_tree.openGroup();
+  var debug = new dlog.Tree("Users");
+  debug.openGroup();
 
   for (int i = 0; i < users.length; i++) {
-    users_tree..add(users[i]["name"])
+    debug..add(users[i]["name"])
               ..openGroup()
               ..add("age: ${users[i]["age"]}")
               ..add("city: ${users[i]["city"]}")
               ..closeGroup()
               ;
   }
 
-  // users_tree.closeGroup();
-  print(users_tree..closeGroup());
+  print(debug..closeGroup());
 
 }

lib/src/displays/Time.dart

@@ -27,6 +27,11 @@ class Time extends _Display {
     _registerAction(description);
   }
 
+  checkLoopFunc(String description, num count, Function doit) {
+    while (count-- > 0) { doit(); }
+    _registerAction(description);
+  }
+
   @override
   _initBuffer() {