https://signal-and-syntax.com/tags/design-patterns/Recent content in Design Patterns on Signal & SyntaxHugoen-usFri, 22 Aug 2025 10:38:20 -0700https://signal-and-syntax.com/posts/python-dispatch-maps/Fri, 22 Aug 2025 10:38:20 -0700https://signal-and-syntax.com/posts/python-dispatch-maps/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 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!