Refactor Scheduler::suspend

rt/include/typon/core/scheduler.hpp

@@ -57,12 +57,10 @@ namespace typon
       return result;
     }
 
-    static Deque * suspend(std::coroutine_handle<> coroutine) noexcept
+    static auto suspend(std::coroutine_handle<> coroutine) noexcept
     {
       Worker & worker = get()._worker[thread_id];
-      Deque * deque = worker._deque.load();
-      worker._deque.store(nullptr);
-      deque->suspend(coroutine);
+      auto deque = worker.suspend(coroutine);
       uint id = fdt::random::random() % get()._concurrency;
       get()._worker[id].add(deque);
       return deque;

rt/include/typon/core/worker.hpp

@@ -2,6 +2,7 @@
 #define TYPON_CORE_WORKER_HPP_INCLUDED
 
 #include <atomic>
+#include <coroutine>
 #include <mutex>
 #include <type_traits>
 #include <utility>
@@ -60,6 +61,14 @@ namespace typon
       }
     }
 
+    auto suspend(std::coroutine_handle<> coroutine) noexcept
+    {
+      auto deque = _deque.load();
+      _deque.store(nullptr);
+      deque->suspend(coroutine);
+      return deque;
+    }
+
     void resume(Work & work) noexcept
     {
       auto deque = _deque.load();