shuffle(map)

Reads the keys of a map-like object and returns a new map with the original keys randomly shuffled.

$ ori greetings.yaml
Alice: Hello, Alice.
Bob: Hello, Bob.
Carol: Hello, Carol.
$ ori Tree.shuffle greetings.yaml
Carol: Hello, Carol.
Alice: Hello, Alice.
Bob: Hello, Bob.
$ ori Tree.shuffle greetings.yaml
Carol: Hello, Carol.
Bob: Hello, Bob.
Alice: Hello, Alice.