span.rb in opentelemetry-sdk-0.15.0

- old
+ new

@@ -62,10 +62,13 @@
         # documents} certain "standard attributes" that have prescribed semantic
         # meanings.
         #
         # @param [String] key
         # @param [String, Boolean, Numeric, Array<String, Numeric, Boolean>] value
+        #   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 set_attribute(key, value)
           super
           @mutex.synchronize do
@@ -94,10 +97,10 @@
         # prescribed semantic meanings.
         #
         # @param [String] name Name of the event.
         # @param [optional Hash{String => String, Numeric, Boolean, Array<String, Numeric, Boolean>}] attributes
         #   One or more key:value pairs, where the keys must be strings and the
-        #   values may be string, boolean or numeric type.
+        #   values may be (array of) string, boolean or numeric type.
         # @param [optional Time] timestamp Optional timestamp for the event.
         #
         # @return [self] returns itself
         def add_event(name, attributes: nil, timestamp: nil)
           super