Contents

module Alf
  module Types
    class Selection
      extend Domain::Reuse.new(Object)

      coercions do |c|
        c.coercion(Symbol){|x,_|
          new(x)
        }
        c.coercion(String){|x,_|
          new(x.to_sym)
        }
        c.coercion(Array){|x,_|
          Selection.new(x.map{|y| Selector.coerce(y) })
        }
      end

      def select(tuple)
        return tuple[reused_instance] unless reused_instance.is_a?(Array)
        reused_instance.map{|s| s.select(tuple) }
      end

      def to_s
        reused_instance.to_s
      end

    end # class Selection
  end # module Types
end # module Alf

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
alf-core-0.16.3	lib/alf/types/selection.rb
alf-core-0.16.2	lib/alf/types/selection.rb
alf-core-0.16.1	lib/alf/types/selection.rb
alf-core-0.16.0	lib/alf/types/selection.rb