# TITLE:
#
#   String Blank Extension
#
# SUMMARY:
#
#   String blank extensions.
#
# CREDIT:
#
#   - Martin Pool
#   - Alan Davies
#   - Derek Lewis
#   - Peter Vanbroekhoven
#
# TODO:
#
#   - Does #blank? really belong here?

#
class String

  # Is this string just whitespace?
  #
  #   "abc".blank?  #=> false
  #   "   ".blank?  #=> true

  def blank?
    self !~ /\S/
  end

  alias whitespace? blank?

end


#  _____         _
# |_   _|__  ___| |_
#   | |/ _ \/ __| __|
#   | |  __/\__ \ |_
#   |_|\___||___/\__|
#
=begin test

  require 'test/unit'

  class TestStringBlank < Test::Unit::TestCase

    def test_blank?
      assert( ! "xyz".blank? )
      assert( "     ".blank? )
    end

    def test_whitespace?
      assert( ! "xyz".whitespace? )
      assert( "     ".whitespace? )
    end
  end

=end