summaryrefslogtreecommitdiff
path: root/boost/variant/polymorphic_get.hpp
diff options
context:
space:
mode:
authorDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:08:07 +0900
committerDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:09:00 +0900
commitb5c87084afaef42b2d058f68091be31988a6a874 (patch)
treeadef9a65870a41181687e11d57fdf98e7629de3c /boost/variant/polymorphic_get.hpp
parent34bd32e225e2a8a94104489b31c42e5801cc1f4a (diff)
downloadboost-b5c87084afaef42b2d058f68091be31988a6a874.tar.gz
boost-b5c87084afaef42b2d058f68091be31988a6a874.tar.bz2
boost-b5c87084afaef42b2d058f68091be31988a6a874.zip
Imported Upstream version 1.64.0upstream/1.64.0
Change-Id: Id9212edd016dd55f21172c427aa7894d1d24148b Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'boost/variant/polymorphic_get.hpp')
-rw-r--r--boost/variant/polymorphic_get.hpp14
1 files changed, 8 insertions, 6 deletions
diff --git a/boost/variant/polymorphic_get.hpp b/boost/variant/polymorphic_get.hpp
index 89fca36de7..1a98382be6 100644
--- a/boost/variant/polymorphic_get.hpp
+++ b/boost/variant/polymorphic_get.hpp
@@ -3,7 +3,7 @@
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
-// Copyright (c) 2013-2015 Antony Polukhin
+// Copyright (c) 2013-2017 Antony Polukhin
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
@@ -113,13 +113,15 @@ public: // visitor interfaces
template <typename U>
pointer operator()(U& operand) const BOOST_NOEXCEPT
{
+ typedef typename boost::remove_reference<Base>::type base_t;
typedef boost::integral_constant<
bool,
- boost::mpl::or_<
- boost::is_base_of<Base, U>,
- boost::is_same<Base, U>,
- boost::is_same<typename boost::remove_cv<Base>::type, U >
- >::value
+ (
+ boost::is_base_of<base_t, U>::value &&
+ (boost::is_const<base_t>::value || !boost::is_const<U>::value)
+ )
+ || boost::is_same<base_t, U>::value
+ || boost::is_same<typename boost::remove_cv<base_t>::type, U >::value
> tag_t;
return this_type::get(operand, tag_t());