private bool IsValidExtensionType(IType actualType, IType extensionType, IExtensionEnabled extension)
{
if (TypeCompatibilityRules.IsAssignableFrom(extensionType, actualType))
{
return(true);
}
// Check for a valid generic extension
IMethod method = extension as IMethod;
if (method == null || method.GenericInfo == null)
{
return(false);
}
System.Collections.Generic.List <IGenericParameter> genericParameters = new System.Collections.Generic.List <IGenericParameter>(GenericsServices.FindGenericParameters(extensionType));
if (genericParameters.Count == 0)
{
return(false);
}
TypeInferrer inferrer = new TypeInferrer(genericParameters);
inferrer.Infer(extensionType, actualType);
return(inferrer.FinalizeInference());
}
bool IsGenericityTheSame(TypeMember lhs, TypeMember rhs)
{
IGenericParameter[] lgp = GenericsServices.GetGenericParameters(lhs.Entity);
IGenericParameter[] rgp = GenericsServices.GetGenericParameters(rhs.Entity);
return(lgp == rgp || (null != lgp && null != rgp && lgp.Length == rgp.Length));
}
