Let’s be honest: argument validation code is rarely the proudest part of anyone’s repo.
Most of us start with the usual suspects:
❌ The dreaded inverted-V tower of if/else statements
❌ A graveyard of guard clauses scattered line after line
Using a dispatch table for validation rules means: one dictionary, one loop, infinite sanity.
Both work fine… until they don’t. Then you’re left maintaining a wall of conditionals that feels like it was designed by a committee of goblins.
There’s a better way: dispatch tables!