Subterranean IL: Virtual methods and callvirt

Next up is a look at the details of callvirt and what happens when you call a virtual method. However, in order to do that, we first need to understand some of the low-level CLR datastructures, and what exactly an object instance is. Object instancesObject instances are actually suprisingly small and lightweight things - they comprise of a sync block index used for locking on the object, a