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| author | David Schulz <david.schulz@qt.io> | 2018-05-16 10:23:49 +0200 |
|---|---|---|
| committer | David Schulz <david.schulz@qt.io> | 2018-05-16 08:34:33 +0000 |
| commit | d79c0ed5759c42ba96c12fa588c401128e79b388 (patch) | |
| tree | 0f196d0eda7d1ca95fa7240ae1248acbff5f742c | |
| parent | a0c02b50da44ee07a2d6c2c2993109063dbe203f (diff) | |
Utils: add has_value to optional
Change-Id: I73af682c98d3fd9e97c169ffb3930950e2b0addb
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
| -rw-r--r-- | src/libs/3rdparty/optional/optional.hpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libs/3rdparty/optional/optional.hpp b/src/libs/3rdparty/optional/optional.hpp index 13df7c92ac..607696d8e1 100644 --- a/src/libs/3rdparty/optional/optional.hpp +++ b/src/libs/3rdparty/optional/optional.hpp @@ -498,6 +498,7 @@ public: // 20.5.4.5, Observers explicit constexpr operator bool() const noexcept { return initialized(); } + constexpr bool has_value() const noexcept { return initialized(); } constexpr T const* operator ->() const { return TR2_OPTIONAL_ASSERTED_EXPRESSION(initialized(), dataptr()); @@ -693,7 +694,8 @@ public: explicit constexpr operator bool() const noexcept { return ref != nullptr; } - + constexpr bool has_value() const noexcept { return ref != nullptr; } + template <class V> constexpr typename decay<T>::type value_or(V&& v) const { |