span.rb in opentelemetry-api-0.16.0

- old
+ new

@@ -59,9 +59,26 @@
       def set_attribute(key, value)
         self
       end
       alias []= set_attribute
 
+      # Add attributes
+      #
+      # Note that the OpenTelemetry project
+      # {https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/data-semantic-conventions.md
+      # documents} certain "standard attributes" that have prescribed semantic
+      # meanings.
+      #
+      # @param [Hash{String => String, Numeric, Boolean, Array<String, Numeric, Boolean>}] attributes
+      #   Values must be non-nil and (array of) string, boolean or numeric type.
+      #   Array values must not contain nil elements and all elements must be of
+      #   the same basic type (string, numeric, boolean).
+      #
+      # @return [self] returns itself
+      def add_attributes(attributes)
+        self
+      end
+
       # Add an event to a {Span}.
       #
       # Example:
       #
       #   span.add_event('event', attributes: {'eager' => true})