Documentation for method one assembled from the following types:

class Any

From Any

(Any) method one

Defined as:

method one(--> Junction:D)

Interprets the invocant as a list and creates a one-Junction from it.

say so 1 == (1, 2, 3).one;      # OUTPUT: «True␤» 
say so 1 == (1, 2, 1).one;      # OUTPUT: «False␤»