That's distinctly different from D's, which has a pointer to the enclosing stack frame.
If it is the enclosing function, it's just a single pointer to it. The "walking" comes from if you're accessing the enclosing function's enclosing function's frame.
If it is the enclosing function, it's just a single pointer to it. The "walking" comes from if you're accessing the enclosing function's enclosing function's frame.