run.h

Go to the documentation of this file.

// uvco (c) 2025 Lewin Bormann. See LICENSE for specific terms.
 
#pragma once
 
#include "uvco/loop/loop.h"
#include "uvco/loop/scheduler.h"
#include "uvco/promise/multipromise.h"
#include "uvco/promise/promise.h"
 
namespace uvco {
 
 
class Loop;
 
Promise<void> yield();
 
MultiPromise<unsigned> yield(unsigned count);
 
// Forward declaration only for friend declaration.
template <typename F, typename R>
concept MainFunction = std::is_invocable_r_v<Promise<R>, F, const Loop &>;
 
template <typename R, MainFunction<R> F>
R runMain(F main, Scheduler::RunMode mode = Scheduler::RunMode::Deferred);
 
template <typename R, MainFunction<R> F>
R runMain(F main, Scheduler::RunMode mode) {
  Loop loop{mode};
  Promise<R> promise = main(loop);
  runLoop(loop);
  return promise.unwrap();
}
 
 
} // namespace uvco