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36 lines
787 B
36 lines
787 B
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import java.util.ArrayList;
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class PurityModeled {
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double math_random_impure() {
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return Math.random();
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}
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void arraycopy_pure(int[] src) {
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int[] dst = {5, 10, 20, 30, 40, 50};
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// copies an array from the specified source array
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System.arraycopy(src, 0, dst, 0, 1);
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}
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enum Color {
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RED,
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GREEN,
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BLUE; // values() calls clone
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}
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public void enum_iter_pure() {
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for (Color c : Color.values()) {}
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}
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void clone_pure(ArrayList<String> list) {
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ArrayList<String> cloned = (ArrayList<String>) list.clone();
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cloned.add(""); // no change the list
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}
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}
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