# core/simulator.h

## Free functions

### `std::numeric_limits<InstanceId>::max();`
### `std::numeric_limits<LinkId>::max();`

## class Rng — public interface

### `Simulator() = default;`
### `static std::pair<InstanceId, Simulator *> create_simulator(InstanceId id);`
### `static Simulator *get_simulator(InstanceId id) noexcept;`
### `Time now() const noexcept;`
### `EventId schedule_at(Time abs_time, F&& f, Args&&... args) { ... }`
### `_event_pq.push(std::move(it));`
### `EventId schedule_after(Time delay, F&& f, Args&&... args) { ... }`
### `bool cancel(EventId id);`
### `bool run_next();`
### `void run_until(Time end_time);`
### `void lock() noexcept;`
### `bool is_locked() const noexcept { ... }`
### `void flush_after(Time grace) noexcept;`
### `Rng* create_rng(std::uint64_t seed);`
### `Rng* get_rng() noexcept;`
### `Rng const* get_rng() const noexcept;`
### `Link* get_link(LinkId id) noexcept;`
### `Link const* get_link(LinkId id) const noexcept;`