Dict and maps modules for Erlang

Erlang added the map data structure after R17, before, like the requirements of the map with the Dict module to implement, here directly paste the relevant operation

Dict

D = dict:new== dict:erase (K1,D1).

NOTE: Fetch will crash,find return error when key does not exist, and return {OK,V1} if successful

Maps

M = maps:new= maps:put (k1,v1,m). Maps:get= Maps:remove (K1,m1).

Note: Get Crash,find will return error when key does not exist, and return {OK,V1} if successful

Dict and maps modules for Erlang