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.