diff options
Diffstat (limited to 'libcxx/include/__memory/shared_ptr.h')
| -rw-r--r-- | libcxx/include/__memory/shared_ptr.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/include/__memory/shared_ptr.h b/libcxx/include/__memory/shared_ptr.h index a868093026c5..9aa938b22031 100644 --- a/libcxx/include/__memory/shared_ptr.h +++ b/libcxx/include/__memory/shared_ptr.h @@ -723,7 +723,9 @@ public: _LIBCPP_HIDE_FROM_ABI long use_count() const _NOEXCEPT { return __cntrl_ ? __cntrl_->use_count() : 0; } - _LIBCPP_HIDE_FROM_ABI bool unique() const _NOEXCEPT { return use_count() == 1; } +#if _LIBCPP_STD_VER < 20 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_SHARED_PTR_UNIQUE) + _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_HIDE_FROM_ABI bool unique() const _NOEXCEPT { return use_count() == 1; } +#endif _LIBCPP_HIDE_FROM_ABI explicit operator bool() const _NOEXCEPT { return get() != nullptr; } |