Merge remote-tracking branch 'origin/master'

aijinhui

2023-11-08 d803609b8a2e43afcf5921f42f29ce7f6e68fb84

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import { Observable } from '../Observable';
export function isObservable(obj) {
    return !!obj && (obj instanceof Observable || (typeof obj.lift === 'function' && typeof obj.subscribe === 'function'));
}
//# sourceMappingURL=isObservable.js.map