Create an immutable map

map  list (array)

Create a new immutable key/value map from args.

Introduced in v2.11

Examples

# Example 1 

(map foo: 1, bar: 2)[:foo]





#=> 1

# Example 2 

(map foo: 1, bar: 2)[:bar]





#=> 2

# Example 3 

(map foo: 1, bar: 2)[:quux]





#=> nil