class-enum

Class::Enum

'Classial' class enum for Ruby

class Animal
	include Class::Enum
	
	attr_reader :sound
	
	def initialize(sound)
		@sound = sound
	end
	
	field :CAT, "meow"
	field :DOG, "bark"
	field :BIRD, "tweet"
end

puts Animal::CAT.sound # meow

case Animal::CAT
when Animal
	puts "An animal"
else
	puts "X"
end
# An animal

Animal::CAT.instance_of?(Animal) # => true
Animal::CAT.class # => Animal

Requirements

• No

Usage

See documentation

Examples

Using block

class Animal
	include Class::Enum
	
	attr_reader :block
	
	def initialize(&block)
		@block = block
	end
	
	field :CAT do
		puts "meow"
	end
end

Animal::CAT.block.call # meow

Using keyword arguments

You can keyword arguments only if ruby 2.0+. If not ruby 2.0+, this gem doesn't use keyword arguments

class Animal
	include Class::Enum
	
	attr_reader :sound
	
	def initialize(sound:)
		@sound = sound
	end
	
	field :CAT, sound: "meow"
end

puts Animal::CAT.sound # meow

Author

Sputnik Gugja ([e-mail])

License

This is free software released into the public domain (CC0 license).

See LICENSE file.