An stateful Awaitable that represents an asynchronous operation already started.
An stateless Awaitable that starts a new asynchronous operation whenever onComplete or foreach being called.
An stateless Awaitable that starts a new asynchronous operation whenever onComplete or foreach being called.
The result value of the operation will never store in this Stateless.
Returns a stateless Awaitable that evaluates the block
.
Returns a stateless Awaitable that evaluates the block
.
The asynchronous operation that will perform later. Note that all Awaitable.await calls must be in the block
.