Contents

module TypeConstraints
  class Meta

    attr_accessor :name, :parent
    def initialize(args={})
      @name       = args[:name]
      @parent     = args[:parent]
      @constraint = args[:constraint]
    end

    def constraint(v=nil)
      @constraint = v if !v.nil?
      @constraint
    end

    def check?(val)
      if !parent.nil? && !parent.check?(val)
        return false
      end
      constraint.call(val)
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
type_constraints-0.1.0	lib/type_constraints/meta.rb
type_constraints-0.0.1	lib/type_constraints/meta.rb