# File lib/amalgalite/sqlite3/constants.rb, line 27
      def value_from_name( name )
        unless defined? @const_map_from_name
          @const_map_from_name = {}
          constants.each do |const_name|
            c_int = const_get( const_name )
            @const_map_from_name[ const_name.to_s ] = c_int
          end
        end
        return @const_map_from_name[ name.upcase ]
      end