Aconcagua, measures as first class objects, that is, an object that encapsulates a number with its unit. reached it's v8.2.1 version.
NumberToArithmeticObjectAdapter > and < by @gcotelli in https://github.com/ba-st/Aconcagua/pull/30NumberToArithmeticObjectAdapter comparing protocolMeasure>>timesRepeat: because it's inlined in some implementations#printMeasure:on: to the common unit superclassFull Changelog: https://github.com/ba-st/Aconcagua/compare/v8.2.0���v8.2.1
Regards,
The Buenos Aires Smalltalk team