Reference

Map

Constructor
Input A list of pairs separated by comma.
Output A map containing all the pairs.
Index
Input A map and a key.
Output The value associated with the key.
At
Input A map and a key.
Output The value associated with the key.
Set
Input A map, a key, and a value.
Output A new map containing the new key-value pair.
Keys
Input A map.
Output A list containing all the keys.
Values
Input A map.
Output A list containing all the values.
Contains key
Input A map and a key.
Output True if the key is in the map, false otherwise.
Is empty
Input A map.
Output True if the map is empty, false otherwise.
Is not empty
Input A map.
Output True if the map is not empty, false otherwise.
Remove at
Input A map and a key.
Output A new map with the key removed.
Length
Input A map.
Output The number of key-value pairs in the map.