Expand description
Reading what a device answered.
A device answers a property request with the property, or with
PROP_LAST_STATUS standing in its place — refused, absent, out of
reach. Every reader of a reply has to tell those two apart before it can
do anything with the bytes, and a multi-property answer has to do it per
position, against the keys that were asked for. That reasoning lives
here rather than in each caller.
Nothing is copied: an Answer borrows from the reply it was read out
of.
Enums§
- Answer
- What occupied one position of a reply.
- Entries
Error - Why a multi-property reply could not be read as one.