# core/rng.h

## class Rng — public interface

### `: _eng(seed) { ... }`
### `void seed(seed_type s) noexcept { ... }`
### `_eng.seed(s);`
### `double uniform01() { ... }`
### `Int uniform_range(Int lo_inclusive, Int hi_exclusive) { ... }`
### `Int uniform_range(Int hi_exclusive) { ... }`
### `double uniform_range(double lo_inclusive, double hi_exclusive) { ... }`
### `std::uint64_t poisson(double lambda) { ... }`
### `T choose_weighted(const std::vector<std::pair<double, T>>& items) { ... }`
### `return choose_weighted_impl(items.begin(), items.end());`
### `T choose_weighted(std::initializer_list<std::pair<double, T>> items) { ... }`
### `return choose_weighted_impl(items.begin(), items.end());`