# File lib/dm-validations/contextual_validators.rb, line 61
      def execute(named_context, target)
        raise(ArgumentError, "validation context #{named_context} doesn't seem to be defined. Known contexts are #{contexts.keys.inspect}") if !named_context || (contexts.length > 0 && !contexts[named_context])
        target.errors.clear!
        result = true
        # note that all? and any? stop iteration on first negative or positive result,
        # so we really have to use each here to make sure all validators are
        # executed
        context(named_context).select { |validator| validator.execute?(target) }.each do |validator|
          result = false unless validator.call(target)
        end


        result
      end