Diffstat (limited to 'doc/syntax/calling_methods.rdoc')
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/syntax/calling_methods.rdoc b/doc/syntax/calling_methods.rdoc
index 9cec4526b8..db0217cfef 100644
@@ -27,6 +27,10 @@ This sends the +my_method+ message to +my_object+. Any object can be a
receiver but depending on the method's visibility sending a message may raise a
+You may use <code>.?</code> to designate a receiver, then +my_method+ is not
+invoked and the result is +nil+ when the receiver is +nil+. In that case, the
+argument of +my_method+ are not evaluated.
You may also use <code>::</code> to designate a receiver, but this is rarely
used due to the potential for confusion with <code>::</code> for namespaces.