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@segment/analytics.js-core

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The hassle-free way to integrate analytics into any web application.

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export = each; /** * Iterate over an input collection, invoking an `iterator` function for each element in the * collection and passing to it three arguments: `(value, index, collection)`. The `iterator` * function can end iteration early by returning `false`. * * @name each * @api public * @param {Function(value, key, collection)} iterator The function to invoke per iteration. * @param {Array|Object|string} collection The collection to iterate over. * @return {undefined} Because `each` is run only for side effects, always returns `undefined`. * @example * var log = console.log.bind(console); * * each(log, ['a', 'b', 'c']); * //-> 'a', 0, ['a', 'b', 'c'] * //-> 'b', 1, ['a', 'b', 'c'] * //-> 'c', 2, ['a', 'b', 'c'] * //=> undefined * * each(log, 'tim'); * //-> 't', 2, 'tim' * //-> 'i', 1, 'tim' * //-> 'm', 0, 'tim' * //=> undefined * * // Note: Iteration order not guaranteed across environments * each(log, { name: 'tim', occupation: 'enchanter' }); * //-> 'tim', 'name', { name: 'tim', occupation: 'enchanter' } * //-> 'enchanter', 'occupation', { name: 'tim', occupation: 'enchanter' } * //=> undefined */ declare function each(iterator: any, collection: any[] | any | string): undefined;