判断列表为空

zhangjian

2023-08-07 6b009b0f6d3ef3aee97c362cebcd679d1b9088a3

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import { of } from './of';
import { concatAll } from '../operators/concatAll';
export function concat(...observables) {
    return concatAll()(of(...observables));
}
//# sourceMappingURL=concat.js.map