Module: Option

Includes:

Enumerable

Included in:

None, Some

Defined in:

lib/optional/option.rb,
lib/optional/option/match.rb,
lib/optional/option/errors.rb,
lib/optional/option/enumerable.rb

Defined Under Namespace

Modules: Enumerable Classes: BadMatchError, Match, ValueOfNoneError

Class Method Summary

• .[](value) ⇒ Object

Instance Method Summary

• #match(&block) ⇒ Object

Methods included from Enumerable

#detect, #flat_map, #flatten, #grep, #juxt, #map, #map_through, #reduce, #reject, #select, #to_ary

Class Method Details

.[](value) ⇒ Object

# File 'lib/optional/option.rb', line 4

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

Instance Method Details

#match(&block) ⇒ Object

# File 'lib/optional/option.rb', line 8

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