nyaomaru
•
Jul 11
•
in Articles
• 5 min read
Hi everyone!
I’m @nyaomaruhttps://github.com/nyaomaru, a frontend engineer who quietly moved to the Netherlands. 🇳🇱
If you write TypeScript, you’ve probably bumped into the term “variance” at some point:
covariant
contravariant
invariant
bivari...