symbol.rb

sugar syntax on Symbol object to verify if some symbol is equivalent to question

# You can check if current symbol is equivalent the question string
#
# e.g.:
#    :symbol.symbol?      # => true
#    :symbol1.symbol1?    # => true
#    :sym_bol.sym_bol?    # => true
#    :"sym-bol".sym_bol?  # => true
#    :"sym bol".sym_bol?  # => true
class Symbol
  def method_missing(meth, *args, &blk)
    if meth.to_s =~ /^(\S+)\?$/
      $1 == self.to_s.gsub(/(-|\s)/, "_")
    else
      super(meth, args, &blk)
    end
  end
end

# To test
if __FILE__ == $0
  gender = :male
  gender.male? # result: true
  gender.felame? # result: false
end