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Perfect forward val to utMaybe

pull/4717/head
Aaron Gokaslan 2022-09-09 10:20:37 -04:00
parent 9519a62dd2
commit 20755f4200
1 changed files with 10 additions and 7 deletions
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17
code/Common/Maybe.h
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@ -41,6 +41,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#pragma once #pragma once
#include <assimp/ai_assert.h> #include <assimp/ai_assert.h>
#include <utility>
namespace Assimp { namespace Assimp {
@ -48,13 +49,14 @@ namespace Assimp {
/// @tparam T The type to store. /// @tparam T The type to store.
template <typename T> template <typename T>
struct Maybe { struct Maybe {
/// @brief /// @brief
Maybe() = default; Maybe() = default;
/// @brief /// @brief
/// @param val /// @param val
explicit Maybe(const T &val) : template <typename U>
_val(val), _valid(true) {} explicit Maybe(U &&val) :
_val(std::forward<U>(val)), _valid(true) {}
/// @brief Validate the value /// @brief Validate the value
/// @return true if valid. /// @return true if valid.
@ -64,11 +66,12 @@ struct Maybe {
/// @brief Will assign a value. /// @brief Will assign a value.
/// @param v The new valid value. /// @param v The new valid value.
void Set(T &v) { template <typename U>
void Set(U &&v) {
ai_assert(!_valid); ai_assert(!_valid);
_valid = true; _valid = true;
_val = v; _val = std::forward<U>(v);
} }
/// @brief Will return the value when it is valid. /// @brief Will return the value when it is valid.