Why Examples Beat Documentation References
Cover photo by Florian Olivo on Unsplash
So I was staring at my terminal for twenty minutes yesterday, watching a library throw a generic error. The documentation was pristine. It listed every single property, every return type, and every possible configuration option. I had the reference page open in one tab, and my IDE in the other. I followed the signature perfectly.
Where the docs fail me
// The docs said to do this:const client = new DataClient({ endpoint: 'api.example.com', timeout: 5000 });await client.connect();It kept hanging. I checked the reference again. It didn’t mention that the endpoint needed a trailing slash if you were using a custom port. I eventually found the answer by searching through the library’s repository for a test file that used that specific setup. I didn’t need the dictionary. I needed a working example.
Why references are not enough
Reference documentation defines what something is, but rarely explains how it plays with others. It shows you the pieces, but not the puzzle. When you’re trying to ship a feature, you’re not looking for a definition. You’re looking for a working mental model that you can copy, paste, and tweak to your specific reality.
Some might say, “But if the documentation is written well, the examples should be embedded in the reference.” That is fair. When docs include copy-pasteable snippets for common use cases, they become infinitely more useful. But let’s be honest, most auto-generated reference docs are glorified API dumps. They tell you the shape of the data but ignore the context of the struggle.
Getting the context right
I find that when I’m learning a new framework, I skip the docs entirely until I’ve played with the source code for an hour. I look for the examples folder. (Honestly, I prefer the examples folder over the documentation site 90 percent of the time.)
// How I actually learn:// 1. Clone repo// 2. Open examples/basic-setup// 3. Run it// 4. Break itWhen I break it, I learn the boundaries of the system. I learn what happens when I pass null instead of a string, or when I flip the order of arguments. Documentation is a static record. A running program is an interactive dialogue.
The limits of my view
I admit that for very mature libraries with massive API surfaces, you need a reference. If I’m working with something like a complex SQL query builder, I need to know every operator available to me. A simple example won’t cover every edge case. In those moments, I’m glad the reference exists, even if I find it tedious to navigate.
Still, when I sit down to write an API for other engineers to use, I prioritize a cookbook of working examples over a list of parameter types. I want the people using my code to get a green test result in the first five minutes. That experience builds trust faster than any well-formatted argument list ever could.
Does your current workflow lean more on reading specs or running prototypes to figure out how a library works?