Type alias CancelFn

Type declaration

• • (): void

  • Alias for a function with no parameters and returns no value.

    Example

    // overly explicitly example - you wouldn't normally need to declare a type for this
    const cancel: CancelFn = observeTrades(usEquitySource, 'AAPL', (trade: Trade) => {
      console.log(trade)
    }, 500)
    
    setTimeout(() => {
      cancel()
    }, 10_000)
    

    Returns void