Ask your AI Ask your AI to turn this code into a guided bug-finding exercise.
Claude ChatGPT I am reading "Name the sentinel returned by `QueryRow(...).Scan(...)` when a query produces no row." on CodeWiki (https://codewiki.com/practice/fill/go/checkpoint-4/checkpoint-4-no-rows/).
Context (verbatim from the page):
"""
Name the sentinel returned by `QueryRow(...).Scan(...)` when a query produces no row.
"""
Introduce three subtle bugs into the example above and let me find them. Reveal each answer only after I have guessed.
Answer in English. Keep code examples in Go. Where you are unsure, say so.