NASA Code Review — Power of Ten

Review code against 10 principles adapted from NASA JPL's safety-critical coding rules. Works with any language.

The 10 Principles

#	Principle	What to look for
1	Simple Control Flow	No goto, no unstructured jumps, recursion only when bounded and justified
2	Bounded Loops	Every loop has a clear, provable termination condition
3	Controlled Resource Allocation	No unbounded growth; prefer pre-allocated or pooled resources after init
4	Short Functions	Each function fits on one screen (~60 lines), single responsibility
5	Defensive Assertions	Preconditions and postconditions validated; min 2 checks per non-trivial function
6	Minimal Scope	Variables declared at narrowest scope; minimal global/shared mutable state
7	Check Every Result	All return values, errors, and failure modes handled explicitly
8	Limited Metaprogramming	Macros, decorators, codegen, and magic kept minimal and transparent
9	Minimize Indirection	Shallow reference chains; avoid deep callback nesting, excessive pointer chasing
10	Zero Warnings	Strictest linter/compiler settings; every warning resolved, not suppressed