EntityFramework and async

test.cs

namespace Test {
  static async Task ExecuteWithChangedEntitiesInnerAwait<T>(Func<IEnumerable<T, Task>> handling) {
    using(var ctxt = _ctxtFactory()) {
      var entities = ctxt.Set<T>();
      await handling(entities);
    }
  }
  
  static Task ExecuteWithChangedEntitiesNoAwait<T>(Func<IEnumerable<T, Task>> handling) {
    using(var ctxt = _ctxtFactory()) {
      var entities = ctxt.Set<T>();
      return handling(entities);
    }
  }
  
  static Task Handler<T>(IEnumerable<T> entities) {
    IEnumerable<Task> updateTasks = entities.Batch(100).SelectMany(x => _handlers.HandleBatch(x));
    return Task.WhenAll(updateTasks);
  }
}