Let’s Summarize #

Anytime a value is shared outside the scope of a function’s stack frame, it will be placed (or allocated) on the heap.

The construction of a value doesn’t determine where it lives. Only how a value is shared will determine what the compiler will do with that value. Anytime you share a value up the call stack, it is going to escape. There are other reasons for a value to escape which you will explore in the next post.