lib/sparql/algebra/operator/year.rb in sparql-1.99.1 vs lib/sparql/algebra/operator/year.rb in sparql-2.0.0.beta1

@@ -1,9 +1,11 @@
 module SPARQL; module Algebra
   class Operator
     ##
     # The SPARQL logical `year` operator.
     #
+    # Returns the year part of `arg` as an integer.
+    #
     # @example
     #     (prefix ((: <http://example.org/>))
     #       (project (?s ?x)
     #         (extend ((?x (year ?date)))
     #           (bgp (triple ?s :date ?date)))))