Method Concurrent.Future()->recover_with()
- Method recover_with
this_program
recover_with(function
(mixed
,mixed
... :this_program
)fun
,mixed
...extra
)- Description
This specifies a callback that is only called on failure, and allows you to alter the future into a success.
- Parameter
fun
Function to be called. The first argument will be the failure result of this Future. The return value must be a Future that promises the new success result.
- Parameter
extra
Any extra context needed for
fun
. They will be provided as arguments two and onwards when the callback is called.- Returns
The new Future.
- Note
This method is used if your callbacks return a Future again.
- See also