forked from cerc-io/plugeth
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
/*
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This file is part of ethereum.js.
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ethereum.js is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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ethereum.js is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file utils.js
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* @authors:
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* Marek Kotewicz <marek@ethdev.com>
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* @date 2015
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*/
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/// Finds first index of array element matching pattern
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/// @param array
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/// @param callback pattern
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/// @returns index of element
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var findIndex = function (array, callback) {
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var end = false;
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var i = 0;
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for (; i < array.length && !end; i++) {
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end = callback(array[i]);
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}
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return end ? i - 1 : -1;
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};
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module.exports = {
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findIndex: findIndex
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};
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