Function startWith

startWith<T>(provider): ((source) => Observable<T>)
Calls the given provider function when a new subscriber subscribes and delivers the result of this call as first value.
Type Parameters
- T
Parameters
- provider: (() => T)
  
  function that should be called
  - - (): T
    - Returns T
Returns ((source) => Observable<T>)
- - (source): Observable<T>
  - Parameters
    - source: Observable<T>
    Returns Observable<T>
- Defined in operators/start-with.ts:8

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