Pushes first character of provided string onto end of self : String class Extension « String « Ruby






  1. Ruby
  2. String
  3. String class Extension

Pushes first character of provided string onto end of self


class String
  def push(other)
    newself = self + other.to_s.dup.shift.to_s
    self.replace(newself)
  end
  def shift
    return nil if self.empty?
    item=self[0]
    self.sub!(/^./,"")
    return nil if item.nil?
    item.chr
  end

end

a = "this is a test"

puts (a.push "another")








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