Contents

class String
  # Returns last _n_ characters.
  #
  #   require 'facet/string/last_char'
  #
  #   "Hello World".last_char(3)  #=> "rld"
  #
  def last_char(n=1)
    n = n.to_i
    return self if n > size
    slice(-n, n) #self[-n..-1]
  end
end


# __TEST__

if __FILE__ == $0
  require 'test/unit'
  class TestCase < Test::Unit::TestCase
    def test_first
      assert_equal( "rld", "Hello World".last_char(3) )
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
facets-0.7.0	lib/facet/string/last_char.rb
facets-0.7.1	lib/facet/string/last_char.rb
facets-0.7.2	lib/facet/string/last_char.rb