| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'dart:ui' show VoidCallback; |
| |
| /// Whether we've been built in release mode. |
| const bool _kReleaseMode = bool.fromEnvironment('dart.vm.product'); |
| |
| /// When running in profile mode (or debug mode), invoke the given function. |
| /// |
| /// In release mode, the function is not invoked. |
| // TODO(devoncarew): Going forward, we'll want the call to profile() to be tree-shaken out. |
| void profile(VoidCallback function) { |
| if (_kReleaseMode) |
| return; |
| function(); |
| } |
