Line data    Source code

       1           0 : // Distributed under the MIT License.
       2             : // See LICENSE.txt for details.
       3             : 
       4             : #pragma once
       5             : 
       6             : #include <initializer_list>
       7             : #include <utility>
       8             : #include <vector>
       9             : 
      10             : #include "Utilities/TMPL.hpp"
      11             : #include "Utilities/TypeTraits.hpp"
      12             : 
      13             : /*!
      14             :  * \brief Constructs a `std::vector` containing arguments passed in.
      15             :  *
      16             :  * This is useful as it allows in-place construction of a vector of non-copyable
      17             :  * objects.
      18             :  *
      19             :  * \example
      20             :  * \snippet Utilities/Test_MakeVector.cpp make_vector_example
      21             :  */
      22             : template <class ValueType = void, class Arg0, class... Args>
      23           1 : auto make_vector(Arg0&& arg_0, Args&&... remaining_args) {
      24             :   std::vector<
      25             :       tmpl::conditional_t<std::is_same_v<ValueType, void>, Arg0, ValueType>>
      26             :       return_vector;
      27             :   return_vector.reserve(sizeof...(Args) + 1);
      28             :   return_vector.emplace_back(std::forward<Arg0>(arg_0));
      29             :   (void)std::initializer_list<int>{
      30             :       (((void)return_vector.emplace_back(std::forward<Args>(remaining_args))),
      31             :        0)...};
      32             :   return return_vector;
      33             : }
      34             : 
      35             : template <class T>
      36           0 : std::vector<T> make_vector() {
      37             :   return {};
      38             : }