Hi,

In message "[ruby-talk:11053] Re: to_s and <<"
    on 01/02/18, "Hal E. Fulton" <hal9000 / hypermetrics.com> writes:

|I've never really understood the relationship between
|to_s and to_str (or similarly between to_a and to_ary).

'to_s' is a mean to convert something into a string (if you really
want to), OTOH 'to_str' is a mean for something that wants to pretend
to be a string. to_a and to_ary are in similar relationship.

							matz.