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Side by Side Diff: pkg/compiler/lib/src/helpers/expensive_set.dart

Issue 690103004: Move dart2js from sdk/lib/_internal/compiler to pkg/compiler (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 1 month ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, 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 part of dart2js.helpers; 5 part of dart2js.helpers;
6 6
7 /** 7 /**
8 * The expensive set is a data structure useful for tracking down 8 * The expensive set is a data structure useful for tracking down
9 * excessive memory usage due to large sets. It acts as an ordinary 9 * excessive memory usage due to large sets. It acts as an ordinary
10 * hash set, but it uses 10 times more memory (by default). 10 * hash set, but it uses 10 times more memory (by default).
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123 Set<E> toSet() { 123 Set<E> toSet() {
124 var result = new ExpensiveSet<E>(_sets.length); 124 var result = new ExpensiveSet<E>(_sets.length);
125 for (int i = 0; i < _sets.length; i++) { 125 for (int i = 0; i < _sets.length; i++) {
126 result._sets[i] = _sets[i].toSet(); 126 result._sets[i] = _sets[i].toSet();
127 } 127 }
128 return result; 128 return result;
129 } 129 }
130 130
131 String toString() => "expensive(${_sets[0]}x${_sets.length})"; 131 String toString() => "expensive(${_sets[0]}x${_sets.length})";
132 } 132 }
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