protected static Action CreatePreOperation(DependencyHandler dependency, List <Type> typeList) => () => dependency.OnRegister += type => typeList.Add(type);
protected static Action CreatePostOperation(DependencyHandler dependency, List <Type> typeList) => () => typeList.Each(type => dependency.Unregister(type));
/// <summary> Creates a scope which removes all dependencies that are registered within the scope from the dependency map when the scope ends. </summary>
/// <remarks> Types registered inside the scope are not removed if they had already been registered to the shared dependency map outside the scope. </remarks>
/// <param name="dependency"> The handler of shared dependencies. </param>
public DependencyScope(DependencyHandler dependency)
: base(new List <Type>().Into(typeList => new ScopedOperation(
DependencyScope.CreatePreOperation(dependency, typeList),
DependencyScope.CreatePostOperation(dependency, typeList))))
{
}