# ReadCallbackArgs
Argument passed to the read callback when an asynchronous read operation finishes.
NOTE
This is an abstract type. Any object of this structure can be used where this type is used.
# Properties
# bytesProcessed
bytesProcessed :Number
Number of bytes processed, or -1 in the event of an error or end of stream.
# code
code :Number
Error code. Returns 0 if success
is true
.
Error code will be 0 if success
is true
, nonzero otherwise. If the error
was generated by the operating system, that system's error value is used.
Otherwise, this value will be -1.
# success
success :Boolean
Indicates if the operation succeeded.
Returns true
if request succeeded, false
otherwise.