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src/java.base/share/classes/java/lang/invoke/MethodHandles.java

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rev 13794 : 8150953: j.l.i.MethodHandles: example section in whileLoop(...) provides example for doWhileLoop

*** 3526,3536 **** * zip.add(a.next()); * zip.add(b.next()); * return zip; * } * // assume MH_initZip, MH_zipPred, and MH_zipStep are handles to the above methods ! * MethodHandle loop = MethodHandles.doWhileLoop(MH_initZip, MH_zipStep, MH_zipPred); * List<String> a = Arrays.asList("a", "b", "c", "d"); * List<String> b = Arrays.asList("e", "f", "g", "h"); * List<String> zipped = Arrays.asList("a", "e", "b", "f", "c", "g", "d", "h"); * assertEquals(zipped, (List<String>) loop.invoke(a.iterator(), b.iterator())); * }</pre></blockquote> --- 3526,3536 ---- * zip.add(a.next()); * zip.add(b.next()); * return zip; * } * // assume MH_initZip, MH_zipPred, and MH_zipStep are handles to the above methods ! * MethodHandle loop = MethodHandles.whileLoop(MH_initZip, MH_zipPred, MH_zipStep); * List<String> a = Arrays.asList("a", "b", "c", "d"); * List<String> b = Arrays.asList("e", "f", "g", "h"); * List<String> zipped = Arrays.asList("a", "e", "b", "f", "c", "g", "d", "h"); * assertEquals(zipped, (List<String>) loop.invoke(a.iterator(), b.iterator())); * }</pre></blockquote>
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