Documentation for routine ., assembled from the following types:
Technically this is not an operator, but syntax special-cased in the compiler.
Calls the following method (whose name must be alphabetic) on the left-side invocant.
Note that the infix form of the operator has a slightly lower precedence than postfix
say -5.abs; # like: -(5.abs)# OUTPUT: «-5␤»say -5 . abs; # like: (-5) . abs# OUTPUT: «5␤»say -5 .abs; # following whitespace is optional# OUTPUT: «5␤»