52 class discrete_distribution {
58     using distribution_type = discrete_distribution;
99     friend class discrete_distribution;
111   discrete_distribution() : param_() {}  in discrete_distribution()  function
113   explicit discrete_distribution(const param_type& p) : param_(p) {}  in discrete_distribution()  function
116   explicit discrete_distribution(InputIterator begin, InputIterator end)  in discrete_distribution()  function
119   explicit discrete_distribution(std::initializer_list<double> weights)  in discrete_distribution()  function
123   explicit discrete_distribution(size_t nw, double xmin, double xmax,  in discrete_distribution()  function
153   friend bool operator==(const discrete_distribution& a,
154                          const discrete_distribution& b) {
157   friend bool operator!=(const discrete_distribution& a,
158                          const discrete_distribution& b) {
183 void discrete_distribution<IntType>::param_type::init() {  in init()
195 typename discrete_distribution<IntType>::result_type
196 discrete_distribution<IntType>::operator()(  in operator()
208     const discrete_distribution<IntType>& x) {
223     discrete_distribution<IntType>& x) {    // NOLINT(runtime/references)
224   using param_type = typename discrete_distribution<IntType>::param_type;