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Mark the copy ctor/assignment operator as '= default' when the compiler supports it. This makes these types trivially copy/move assignable/constructible. See https://svn.boost.org/trac/boost/ticket/11684

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This commit is contained in:
Marshall Clow
2016-07-27 11:18:18 -07:00
parent 181f302ee4
commit c56dd13592
2 changed files with 28 additions and 6 deletions
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include/boost/utility/string_view.hpp
+12 -1
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@@ -65,14 +65,25 @@ namespace boost {
BOOST_CONSTEXPR basic_string_view() BOOST_NOEXCEPT
: ptr_(NULL), len_(0) {}
// by defaulting these functions, basic_string_ref becomes
// trivially copy/move constructible.
BOOST_CONSTEXPR basic_string_view(const basic_string_view &rhs) BOOST_NOEXCEPT
#ifndef BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
= default;
#else
: ptr_(rhs.ptr_), len_(rhs.len_) {}
#endif
basic_string_view& operator=(const basic_string_view &rhs) BOOST_NOEXCEPT {
basic_string_view& operator=(const basic_string_view &rhs) BOOST_NOEXCEPT
#ifndef BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
= default;
#else
{
ptr_ = rhs.ptr_;
len_ = rhs.len_;
return *this;
}
#endif
template<typename Allocator>
basic_string_view(const std::basic_string<charT, traits,