diff options
Diffstat (limited to 'boost/hana/fwd/set.hpp')
-rw-r--r-- | boost/hana/fwd/set.hpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/boost/hana/fwd/set.hpp b/boost/hana/fwd/set.hpp index 2b0fdc5284..55bd72d248 100644 --- a/boost/hana/fwd/set.hpp +++ b/boost/hana/fwd/set.hpp @@ -2,7 +2,7 @@ @file Forward declares `boost::hana::set`. -@copyright Louis Dionne 2013-2016 +@copyright Louis Dionne 2013-2017 Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) */ @@ -72,6 +72,10 @@ BOOST_HANA_NAMESPACE_BEGIN #ifdef BOOST_HANA_DOXYGEN_INVOKED template <typename implementation_defined> struct set { + //! Default-construct a set. This constructor only exists when all the + //! elements of the set are default-constructible. + constexpr set() = default; + //! Copy-construct a set from another set. This constructor only //! exists when all the elements of the set are copy-constructible. constexpr set(set const& other) = default; |