How to make your custom objects behave exactly like native types through protocol adherence







The "Native Citizen" Test


Here's how you spot a junior Python developer:



# Junior code
m1 = Money(10, "USD")
m2 = Money(5, "USD")
result = m1.add(m2) # Java flashbacks intensify






And here's a senior:



# Senior code
m1 = Money(10,...