fun <R, T> (suspend R.() -> T).startCoroutine(
    receiver: R, 
    completion: Continuation<T>)

Platform and version requirements: Kotlin 1.1

Starts coroutine with receiver type R and result type T. This function creates and start a new, fresh instance of suspendable computation every time it is invoked. The completion continuation is invoked when coroutine completes with result or exception.

fun <T> (suspend () -> T).startCoroutine(
    completion: Continuation<T>)

Platform and version requirements: Kotlin 1.1

Starts coroutine without receiver and with result type T. This function creates and start a new, fresh instance of suspendable computation every time it is invoked. The completion continuation is invoked when coroutine completes with result or exception.