From ebd6ad588b6851d9dbf465b033b0f9d1acb4e54a Mon Sep 17 00:00:00 2001
From: Jason Rhinelander <jason@imaginary.ca>
Date: Mon, 7 Aug 2017 15:48:49 -0400
Subject: [PATCH] Fix boost::variant example to not forward args

boost::apply_visitor accepts its arguments by non-const lvalue
reference, which fails to bind to an rvalue reference.  Change the
example to remove the argument forwarding.
---
 docs/advanced/cast/stl.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/advanced/cast/stl.rst b/docs/advanced/cast/stl.rst
index ecd889ffb..ac6318f0e 100644
--- a/docs/advanced/cast/stl.rst
+++ b/docs/advanced/cast/stl.rst
@@ -61,8 +61,8 @@ for custom variant types:
         struct visit_helper<boost::variant> {
             template <typename... Args>
             static auto call(Args &&...args)
-                -> decltype(boost::apply_visitor(std::forward<Args>(args)...)) {
-                return boost::apply_visitor(std::forward<Args>(args)...);
+                -> decltype(boost::apply_visitor(args...)) {
+                return boost::apply_visitor(args...);
             }
         };
     }} // namespace pybind11::detail