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template<typename Value>
auto weighted_choice_gen(std::vector<Weighted<Value>> const& weighted_values)
auto const& intervals = details::make_intervals(weighted_values);
double sum_weights = intervals.back().first;
return [=](std::mt19937& bit_gen) -> Value
std::uniform_real_distribution<double> distribution(0., sum_weights);
return details::search_containing_interval(intervals, distribution(bit_gen));
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