C#•2y ago

✅ Error while injecting generic interface

public class Repository<TId, TEntity> : IRepository<TId, TEntity> where TEntity : class
{
}

public class Repository<TId, TEntity> : IRepository<TId, TEntity> where TEntity : class
{
}

public interface IRepository<TId, TEntity> where TEntity : class
{
    public Task<TEntity?> GetAsync(TId id);
    public void Update(TEntity entity);
    public void Delete(TEntity entity);
}

public interface IRepository<TId, TEntity> where TEntity : class
{
    public Task<TEntity?> GetAsync(TId id);
    public void Update(TEntity entity);
    public void Delete(TEntity entity);
}

6 Replies

Thinker•2y ago

typeof(IRepository<,>)

DjinnOP•2y ago

oh god thank you

Florian Voß•2y ago

what excatly does this mean if we leave the generic types blank? I would have thought we do typeof(IRepository<TId, TEntity>) rather than typeof(IRepository<,>)

Thinker•2y ago

typeof(IRepository<,>) is the type of IRepository<TId, TEntity> without any of its parameters substituted. typeof(IRepository<TId, TEntity>) wouldn't work because TId and TEntity don't exist in that context

Florian Voß•2y ago

I think I understand, thank you

Accord•2y ago

Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.

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✅ Error while injecting generic interface