Question

EDITED to show real example

How can I call a generic function from a generic type passed to a function? This seems like it should be intuitive, but I can’t seem to get it to work.

For example, can I call the cache.ResetCache() function in LocalDataObjectEngine below?

The error I’m getting is ‘Type T cannot be used as a parameter’

public interface ISimpleCache<T1> {         ...     void ResetCache<T>() where T : T1; }  internal class LocalDataObjectEngine_Cache : ISimpleCache<IBrokeredDataObject> {     ISimpleCache<IBrokeredDataObject> _cache;      ...      public void ResetCache<T>() where T : IBrokeredDataObject     {         //logic here     }      ... }  public partial class LocalDataObjectEngine : IEngine {     ISimpleCache<IBrokeredDataObject> _cache  = new LocalDataObjectEngine_Cache();      public void ResetCache<T>() where T : IBrokeredDataObject     {         _cache.ResetCache<T>();     } }  } 

Answer 1

Found it, Jon Skeet’s reference to removing IEngine pointed me in the right direction, there was a

void ResetCache<T>() where T : IDataObject 

on IEngine (IDataObject is a base if IBrokeredDataObject), that I changed to

void ResetCache<T>() where T : IBrokeredDataObject 

Thanks all for tolerating my bug, +1 to you all