From: Adriano Ferreira Date: 2005-07-30T03:31:50+09:00 Subject: Re: What does this assignment operator |= Well, it looks there are more to the meaning of the operator | as ri shows $ ri "|" More than one method matched your request. You can refine your search by asking for information on one of: Array#|, Bignum#|, FalseClass#|, Fixnum#|, NilClass#|, Set#|, TrueClass#| Each of these classes has | implementations, which should be related one way or the other to the simple meaning of bit-or. Regards, Adriano.