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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 /** | 5 /** |
| 6 * A simple [Stopwatch] interface to measure elapsed time. | 6 * A simple [Stopwatch] interface to measure elapsed time. |
| 7 */ | 7 */ |
| 8 interface Stopwatch default StopwatchImplementation { | 8 interface Stopwatch default StopwatchImplementation { |
| 9 | 9 |
| 10 /** | 10 /** |
| 11 * Creates a [Stopwatch] in stopped state with a zero elapsed count. | 11 * Creates a [Stopwatch] in stopped state with a zero elapsed count. |
| 12 * | |
| 13 * The following example shows how to start a [Stopwatch] | |
| 14 * right after allocation. | |
| 15 * | |
| 16 * Stopwatch stopwatch = new Stopwatch()..start(); | |
| 12 */ | 17 */ |
| 13 Stopwatch(); | 18 Stopwatch(); |
| 14 | 19 |
| 15 /** | 20 /** |
| 16 * Creates a [Stopwatch] in started state with a zero elapsed count. | |
| 17 */ | |
| 18 Stopwatch.start(); | |
|
kasperl
2012/09/04 08:11:59
Personally, I like naming constructor like these s
| |
| 19 | |
| 20 /** | |
| 21 * Starts the [Stopwatch]. The [elapsed] count is increasing monotonically. | 21 * Starts the [Stopwatch]. The [elapsed] count is increasing monotonically. |
| 22 * If the [Stopwatch] has been stopped, then calling start again restarts it | 22 * If the [Stopwatch] has been stopped, then calling start again restarts it |
| 23 * without resetting the [elapsed] count. | 23 * without resetting the [elapsed] count. |
| 24 * If the [Stopwatch] is currently running, then calling start does nothing. | 24 * If the [Stopwatch] is currently running, then calling start does nothing. |
| 25 */ | 25 */ |
| 26 void start(); | 26 void start(); |
| 27 | 27 |
| 28 /** | 28 /** |
| 29 * Stops the [Stopwatch]. The [elapsed] count stops increasing. | 29 * Stops the [Stopwatch]. The [elapsed] count stops increasing. |
| 30 * If the [Stopwatch] is currently not running, then calling stop does | 30 * If the [Stopwatch] is currently not running, then calling stop does |
| (...skipping 26 matching lines...) Expand all Loading... | |
| 57 * Returns the [elapsed] counter converted to milliseconds. | 57 * Returns the [elapsed] counter converted to milliseconds. |
| 58 */ | 58 */ |
| 59 int elapsedInMs(); | 59 int elapsedInMs(); |
| 60 | 60 |
| 61 /** | 61 /** |
| 62 * Returns the frequency of the elapsed counter in Hz. | 62 * Returns the frequency of the elapsed counter in Hz. |
| 63 */ | 63 */ |
| 64 int frequency(); | 64 int frequency(); |
| 65 | 65 |
| 66 } | 66 } |
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