Hi,

In message "Parentheses"
    on 03/10/16, Nikolai Weibull <ruby-talk / pcppopper.org> writes:

|OK, is there a general concensus on when it is OK to omit parentheses
|and when it is not?  I prefer skipping parentheses as often as possible,
|but I'm not quite sure when I may run into trouble and when it is OK.

  foo 1,2,3 # this is OK (top level)
  a = foo 3 # this is not recommended (part of expression)

							matz.