From: Richard Lionheart <NoOne@...>
Date: 2004-05-03T02:58:58+09:00
Subject: The code I forgot to include

# My idea of how to convert an array of strings to a string with a specified
delimiter
class MyArrayType1 < Array
    def [](a)
        puts "Entering MyArrayType1#[](a) -- calling parent"
        super a
    end
    def to_s
        s = ""
        self.each { |x|
            s += ";  " if s.length>0
            s += x.to_s
        }
        s
    end
end

myA1 = MyArrayType1['x1', 'y1'] # uses the Array#[](a) method with an Array
argument and sets
                                # myA1 to a reference to a new object of
type MyArrayType1
                                # which is an Array of two strings,  'x1'
and 'y1'
                                # with an over-ridden 'to_s' method
puts "myA1 = MyArrayType1['x1', 'y1'];  puts myA1.to_s ==> " + myA1.to_s #
==>   x1;  y1


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