Luiz Capitulino wrote: > > Hi there, > > Currently, when a regular command doesn't have any data to output, > QMP will emit: > > { "return": "OK" } > > I thought this was a good idea because it has a clear meaning. Silly me, > this is optimized for humans, but for machines it introduces the problem > that such commands can't be changed to return values. > > I'm not sure this is will ever happen, but to stay safe a better way > would be to return an empty dict, like this: > > { "return": {} }
Logically, it would be { "return": null }. What if future return value is actually an empty dict? ;-) E.g. from an enumeration command, where the enumerated set is empty. -- Jamie