Contents

module Danica
  class Variable
    include ActiveModel::Model
    attr_accessor :value, :name, :latex

    def to_f
      value.nil? ? raise(NotDefined) : value.to_f
    end

    def to_tex
      (value || latex || name).to_s
    end

    def valued?
      value.present?
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
danica-0.3.0	lib/danica/variable.rb
danica-0.2.0	lib/danica/variable.rb
danica-0.1.0	lib/danica/variable.rb