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TypedArrayPrototype.js

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/*

* Copyright (C) 2015-2016 Apple Inc. All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

* 1. Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

* 2. Redistributions in binary form must reproduce the above copyright

* notice, this list of conditions and the following disclaimer in the

* documentation and/or other materials provided with the distribution.

*

* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR

* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

// Note that the intrisic @typedArrayLength checks that the argument passed is a typed array

// and throws if it is not.

function toLocaleString(/* locale, options */)

{

"use strict";

var length = @typedArrayLength(this);

if (length == 0)

return "";

var string = "";

for (var i = 0; i < length; ++i) {

if (i > 0)

string += ",";

var element = this[i];

if (!@isUndefinedOrNull(element))

string += @toString(element.toLocaleString(@argument(0), @argument(1)));

}

return string;

}

function at(index)

{

"use strict";

var length = @typedArrayLength(this);

var k = @toIntegerOrInfinity(index);

if (k < 0)

k += length;

return (k >= 0 && k < length) ? this[k] : @undefined;

}