Arne Welzel

@J-Gras - could you see if this would work for you?

>> @J-Gras - could you see if this would work for you? > > This should do it, thanks a lot for picking it up! I've left comments on some...

The other thought I had was if individual script-level metrics could have a callback, instead of the global `Telemetry::sync` one. ``` global my_counter = Telemetry::counter_with_callback(counter_family, function(): double { return 42.0;...