private static bool DerivesOrImplements(INamedTypeSymbol type, ITypeSymbol[] possibleTypes)
{
var allInterfaces = type.AllInterfaces;
if (allInterfaces.Intersect(possibleTypes).Any())
{
return true;
}
var baseType = type;
while (baseType != null &&
!(baseType is IErrorTypeSymbol))
{
if (possibleTypes.Contains(baseType))
{
return true;
}
baseType = baseType.BaseType;
}
return false;
}
