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| var call = require('../internals/function-call');
|
| module.exports = function (iterator, fn, $next) {
| var next = $next || iterator.next;
| var step, result;
| while (!(step = call(next, iterator)).done) {
| result = fn(step.value);
| if (result !== undefined) return result;
| }
| };
|
|
