Peeps are the type of thing that, once you realize what's going on, you can solve a whole new class of problems as if by magic. The cpython compiler's peephole

Peeps are the type of thing that, once you realize what's going on, you can solve a whole new class of problems as if by magic. The cpython compiler's peephole optimizer is an easy code read and a great example of this in practice. The Apex compiler at Salesforce ONLY does peephole optimizations.