and_then and_then and_then and_then conjunction disjunction disjunction disjunction disjunction disjunction disjunction disjunction disjunction emplace emplace has_value map map map map map_or map_or map_or map_or map_or_else map_or_else map_or_else map_or_else operator bool operator* operator* operator* operator* operator-> operator-> operator= operator= operator= operator= operator= operator= optional optional optional optional optional optional optional optional optional optional optional optional or_else or_else or_else or_else or_else or_else or_else or_else reset swap take take take take value value value value value_or value_or ~optional

operator->() template<class T> __thrust_exec_check_disable__ __host__ __device__ constexpr const T* thrust::optional< T >::operator-> ( ) const Returns a pointer to the stored value a value is stored pointer constexpr const T *operator->() const; References thrust::addressof().