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 (sputnikgugja@gmail.com)

License

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

See LICENSE file.