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# An example struct. | |
defmodule Coin do | |
# Using Kernel.put_in/3 and other methods requires the target to have the Access behaviour. | |
@behaviour Access | |
# Structs by default do not implement this. It's easy to delegate this to the Map implementation however. | |
defdelegate get(coin, key, default), to: Map | |
defdelegate fetch(coin, key), to: Map | |
defdelegate get_and_update(coin, key, func), to: Map | |
defdelegate pop(coin, key), to: Map |