# File lib/extras/as_rectarray.rb, line 52
        def to_s
                outarr = []
                for i in 0...@rows do
                        inarr = []
                        for j in 0...@cols do
                                inarr << self[i,j]
                        end
                        outarr << ('[' + inarr.join(',') + ']')
                end
                
                return '[' + outarr.join(",\n ") + ']'
        end