public static bool OpenGenericIsAssignableFrom(
TypeIdentity openGeneric,
TypeDefinition type,
Func <TypeIdentity, TypeDefinition> toDefinition)
{
// Terminate recursion
if ((type == null) || openGeneric.Equals(type))
{
return(false);
}
// typeToCheck is a closure of openGenericType
var isClosureOfGenericType = type.Identity.IsGenericType && openGeneric.Equals(type.GenericTypeDefinition);
// typeToCheck is the subclass of a closure of openGenericType
var isSubClassOfClosure = OpenGenericIsAssignableFrom(openGeneric, toDefinition(type.BaseType), toDefinition);
// typeToCheck inherits from an interface which is the closure of openGenericType
var inheritsClosureInterface = type.BaseInterfaces.Any(
interfaceType => OpenGenericIsAssignableFrom(openGeneric, toDefinition(interfaceType), toDefinition));
return(isClosureOfGenericType || isSubClassOfClosure || inheritsClosureInterface);
}
