Module: Dispel::Tools

Defined in:
lib/dispel/tools.rb

Class Method Summary collapse

Class Method Details

.last_element(range) ⇒ Object 



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# File 'lib/dispel/tools.rb', line 25

def last_element(range)
  range.exclude_end? ? range.last.pred : range.last
end

.memoize(*args) ⇒ Object 



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# File 'lib/dispel/tools.rb', line 15

def memoize(*args)
  key = args.map(&:to_s).join("-")
  @memoize ||= {}
  if @memoize.key?(key)
    @memoize[key]
  else
    @memoize[key] = yield
  end
end

.naive_split(string, pattern) ⇒ Object

grosser.it/2011/08/28/ruby-string-naive-split-because-split-is-to-clever/ “ ”.split(‘ ’) == [] “ ”.naive_split(‘ ’) == [”,”,”,”] “”.split(‘ ’) == [] “”.naive_split(‘ ’) == [”]



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# File 'lib/dispel/tools.rb', line 9

def naive_split(string, pattern)
  pattern = /#{Regexp.escape(pattern)}/ unless pattern.is_a?(Regexp)
  result = string.split(pattern, -1)
  result.empty? ? [''] : result
end