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1 assertEq( |
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2 (function () { |
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3 var arr = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, |
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4 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 ]; |
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5 |
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6 for (var i = 0; i < 4; ++i) { |
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7 var src = i * 8; |
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8 var dst = i * 8 + 7; |
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9 for (var j = 0; j < 4; ++j) { |
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10 [arr[dst--], arr[src++]] = [arr[src], arr[dst]]; |
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11 } |
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12 } |
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13 return arr; |
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14 })().toSource(), |
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15 "[7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8, 23, 22, 21, 20, 19, 18, 17, 16, 31, 30, 29, 28, 27, 26, 25, 24, 32]"); |