Merge pull request rails#50367 from mechanicles/update-api-doc-for-ac…

…tiverelation-none-any-one

Update API doc for ActiveRecord::Relation#none?/#any?/#one? [ci-skip]

activerecord/lib/active_record/relation.rb

@@ -291,6 +291,11 @@ def empty?
     end
 
     # Returns true if there are no records.
+    #
+    # When a pattern argument is given, this method checks whether elements in
+    # the Enumerable match the pattern via the case-equality operator (`===`).
+    #
+    #   posts.none?(Comment) # => true or false
     def none?(*args)
       return true if @none
 
@@ -299,6 +304,11 @@ def none?(*args)
     end
 
     # Returns true if there are any records.
+    #
+    # When a pattern argument is given, this method checks whether elements in
+    # the Enumerable match the pattern via the case-equality operator (`===`).
+    #
+    #    posts.any?(Post) # => true or false
     def any?(*args)
       return false if @none
 
@@ -307,6 +317,11 @@ def any?(*args)
     end
 
     # Returns true if there is exactly one record.
+    #
+    # When a pattern argument is given, this method checks whether elements in
+    # the Enumerable match the pattern via the case-equality operator (`===`).
+    #
+    #    posts.one?(Post) # => true or false
     def one?(*args)
       return false if @none