Contents

module Option
  include Option::Enumerable

  def self.[] value
    value.nil? ? None : Some[value]
  end

  def match(&block)
    Match.new.tap { |m| block.call(m) }.evaluate(self)
  end

  protected

  def and_option(option)
    none? ? self : Some[*[option.value, value].flatten]
  end

  private

  def from_array(values)
    values.empty? ? None : Some[*values]
  end

  def from_value(value)
    value.nil? ? None : Some[value]
  end

end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
optional-0.0.7	lib/optional/option.rb
optional-0.0.6	lib/optional/option.rb
optional-0.0.5	lib/optional/option.rb