I program some Go - I believe you are talking about the 'empty interface', e.g. map[string]interface{} The problem with that is that you instantly lose compile-

I program some Go - I believe you are talking about the 'empty interface', e.g. map[string]interface{} The problem with that is that you instantly lose compile-time type checking, and have to check/assert the types yourself at runtime after accessing the map. In a strongly-typed language this kinda goes against the grain, and is a PITA. (Although it still can be useful at times). My 2p.