diff options
author | Abseil Team <absl-team@google.com> | 2018-04-23T15·17-0700 |
---|---|---|
committer | Derek Mauro <dmauro@google.com> | 2018-04-23T16·57-0400 |
commit | af7882601aad93ada881486eeaabc562f1733961 (patch) | |
tree | e9a52b01ef69c7654a97d66c8d60377c851ae817 /absl/types/optional.h | |
parent | 94ce52d46c171683b1ee22d14277a6d3bdfd7c4c (diff) |
- fd5f3d7077270ffc5ea74cdb9e18bbae3b9b46aa Fix typo optional -> variant by Abseil Team <absl-team@google.com>
- 9136c06dfa8dbfdde0a427ad3509e34763d607a6 Fix string_view_test and str_cat_test build under MSVC de... by Derek Mauro <dmauro@google.com> - a463820f9441888f4368aa87328599e3209f9b07 Removes constexpr optional<T>::operator->(). This was don... by Abseil Team <absl-team@google.com> - 3bf78a7f126daafff329f7815d507422f1ca378d Remove dependencies on external CCTZ project. by Shaindel Schwartz <shaindel@google.com> - a4ae574a11b1ddf6e88459af3d638cf79aea7ecd Internal change by Jon Cohen <cohenjon@google.com> GitOrigin-RevId: fd5f3d7077270ffc5ea74cdb9e18bbae3b9b46aa Change-Id: I6ab8ab99863716fe9b2745a12ef285f7a6da6d1e
Diffstat (limited to 'absl/types/optional.h')
-rw-r--r-- | absl/types/optional.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/absl/types/optional.h b/absl/types/optional.h index 581321dc37a1..98b29e591d15 100644 --- a/absl/types/optional.h +++ b/absl/types/optional.h @@ -774,7 +774,9 @@ class optional : private optional_internal::optional_data<T>, // // Accesses the underlying `T` value's member `m` of an `optional`. If the // `optional` is empty, behavior is undefined. - constexpr const T* operator->() const { return this->pointer(); } + // + // If you need myOpt->foo in constexpr, use (*myOpt).foo instead. + const T* operator->() const { return this->pointer(); } T* operator->() { assert(this->engaged_); return this->pointer(); @@ -870,12 +872,12 @@ class optional : private optional_internal::optional_data<T>, private: // Private accessors for internal storage viewed as pointer to T. - constexpr const T* pointer() const { return &this->data_; } - T* pointer() { return &this->data_; } + const T* pointer() const { return std::addressof(this->data_); } + T* pointer() { return std::addressof(this->data_); } // Private accessors for internal storage viewed as reference to T. - constexpr const T& reference() const { return *this->pointer(); } - T& reference() { return *(this->pointer()); } + constexpr const T& reference() const { return this->data_; } + T& reference() { return this->data_; } // T constraint checks. You can't have an optional of nullopt_t, in_place_t // or a reference. |