An incredibly common question I get when helping people learn web development is, "Why can’t I pass this handler function into a function that expects an http.Handler?" It is a logical question. The compiler can automatically convert those functions into the http.HandlerFunc type, so why can't it take the next step and infer that it also implements the Handler interface? Learn why (and more) in this article!
Sign up for my mailing list and I'll send you a FREE sample from my course - Web Development with Go. The sample includes three chapters from the book, and over 2.5 hours of screencasts.
You will also receive notifications when I release new articles, along with other freebies that I only share with my mailing list.
Jon Calhoun is a full stack web developer who also teaches about Go, web development, algorithms, and anything programming related. He also consults for other companies who have development needs. (If you need some development work done, get in touch!)
Jon is a co-founder of EasyPost, a shipping API that many fortune 500 companies use to power their shipping infrastructure, and prior to founding EasyPost he worked at google as a software engineer.
©2018 Jonathan Calhoun. All rights reserved.