struct Stone {} let a: Stone.Type = Stone.self let b: Any.Type = a print(MemoryLayout.size(ofValue: a)) // 0 print(MemoryLayout.size(ofValue: b)) // 8struct Stone {} let a: Stone.Type = Stone.self let b: Any.Type = a print(MemoryLayout.size(ofValue: a)) // 0 print(MemoryLayout.size(ofValue: b)) // 8