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 | | import { iterator as Symbol_iterator } from '../symbol/iterator'; |  | export const subscribeToIterable = (iterable) => (subscriber) => { |  |     const iterator = iterable[Symbol_iterator](); |  |     do { |  |         let item; |  |         try { |  |             item = iterator.next(); |  |         } |  |         catch (err) { |  |             subscriber.error(err); |  |             return subscriber; |  |         } |  |         if (item.done) { |  |             subscriber.complete(); |  |             break; |  |         } |  |         subscriber.next(item.value); |  |         if (subscriber.closed) { |  |             break; |  |         } |  |     } while (true); |  |     if (typeof iterator.return === 'function') { |  |         subscriber.add(() => { |  |             if (iterator.return) { |  |                 iterator.return(); |  |             } |  |         }); |  |     } |  |     return subscriber; |  | }; |  | //# sourceMappingURL=subscribeToIterable.js.map | 
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