'use strict';

var uncurryThis = require('../internals/function-uncurry-this');

var ArrayBufferViewCore = require('../internals/array-buffer-view-core');

var $ArrayCopyWithin = require('../internals/array-copy-within');

var u$ArrayCopyWithin = uncurryThis($ArrayCopyWithin);

var aTypedArray = ArrayBufferViewCore.aTypedArray;

var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;

// `%TypedArray%.prototype.copyWithin` method

// https://tc39.es/ecma262/#sec-%typedarray%.prototype.copywithin

exportTypedArrayMethod('copyWithin', function copyWithin(target, start /* , end */) {

return u$ArrayCopyWithin(aTypedArray(this), target, start, arguments.length > 2 ? arguments[2] : undefined);

});