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Make generic covariant

This commit is contained in:
Dean Herbert 2019-06-19 01:57:38 +09:00
parent 341dc74834
commit 1bcff8a3e2

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@ -9,7 +9,7 @@ namespace osu.Game.Database
/// Represents a model manager that publishes events when <see cref="TModel"/>s are added or removed.
/// </summary>
/// <typeparam name="TModel">The model type.</typeparam>
public interface IModelManager<TModel>
public interface IModelManager<out TModel>
where TModel : class
{
event Action<TModel, bool> ItemAdded;