class Array

# File lib/andsqr.rb, line 17
def andsqr(args=[])
    if self
        r = self
        args.each_with_index do |a, i|
            return nil if r[a].nil? || (r.class != Hash && r.class != Array)
            r = r[a]
        end
        r
    else
        nil
    end
end