diff options
| -rw-r--r-- | libbutl/optional.hxx | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libbutl/optional.hxx b/libbutl/optional.hxx index 7d66ac5..e30504e 100644 --- a/libbutl/optional.hxx +++ b/libbutl/optional.hxx @@ -263,10 +263,10 @@ namespace butl #if (!defined(_MSC_VER) || _MSC_VER > 1900) && \ (!defined(__GNUC__) || __GNUC__ > 4 || defined(__clang__)) constexpr optional (const optional&) = default; - constexpr optional (optional&&) = default; + constexpr optional (optional&&) noexcept (is_nothrow_constructible<T, T>::value) = default; #else optional (const optional&) = default; - optional (optional&&) = default; + optional (optional&&) noexcept (is_nothrow_constructible<T, T>::value) = default; #endif optional& operator= (nullopt_t v) {static_cast<base&> (*this) = v; return *this;} |