lrn@google.com
ee569ce10a
Previous commit was reverted due to hitting an unrelated error. TBR=ahe@google.com Review URL: https://codereview.chromium.org//10939030 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@12551 260f80e4-7a28-3924-810f-c04153c831b5
52 lines
1.2 KiB
Dart
52 lines
1.2 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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/**
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* The StringBuffer class is useful for concatenating strings
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* efficiently. Only on a call to [toString] are the strings
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* concatenated to a single String.
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*/
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abstract class StringBuffer {
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/**
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* Creates the string buffer with an initial content.
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*/
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factory StringBuffer([Object content = ""]) => new StringBufferImpl(content);
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/**
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* Returns the length of the buffer.
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*/
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int get length;
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/**
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* Returns whether the buffer is empty.
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*/
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bool isEmpty();
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/**
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* Converts [obj] to a string and adds it to the buffer. Returns [:this:].
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*/
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StringBuffer add(Object obj);
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/**
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* Adds the string representation of [charCode] to the buffer.
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* Returns [this].
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*/
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StringBuffer addCharCode(int charCode);
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/**
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* Adds all items in [objects] to the buffer. Returns [:this:].
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*/
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StringBuffer addAll(Collection objects);
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/**
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* Clears the string buffer. Returns [:this:].
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*/
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StringBuffer clear();
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/**
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* Returns the contents of buffer as a concatenated string.
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*/
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String toString();
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}
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