Two kinds of feature flag
go-tool-base has feature flags: switches that decide which built-in commands are live in a given run. rust-tool-base has those too. But it also has a second, completely separate kind of flag, and the difference between …
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Engineering
Reloading config without a restart
A config file changes. Someone edits a setting, rotates a credential, flips a feature flag. How does the running process find out? For most processes the answer is blunt: it doesn’t, until you restart it. For a …
What survives a port, and what doesn't
Rebuilding go-tool-base in Rust turned out to be the most honest design review I’ve ever sat through, and I didn’t have to do anything except keep going. Porting a framework into a language with completely different …
Errors that tell the user what to do next
Here’s an error message I’ve been on the receiving end of more times than I’d care to count: error: failed to read config file True. Also completely useless! I now know something is broken and I haven’t the faintest idea …
