Part III: Custom Errors in solidity are more useful than you think

Note: Read the previous part before starting: 1. Part-0, 2 Part-1 ( must-read ) With Part 1 of this article series, you've already internalized the fundamentals of ABI encoding. We’re now ready to move deeper into complex structures that Solidity developers use every day: structs, arrays, and deeply nested
Solidity is EASY. It's a simple and beautiful language. With the rise of excellent educational resources, courses, dev-tools, and LLMs, learning and writing Solidity has never been easier. But here's the hard truth — if it's easy for everyone to get started, it's