It's funny how 'tap to pay by phone' apps show a picture of a credit card.
Is it a temporary skeuomorphism to help users understand, or will it become a generic symbol like the floppy disk 💾?
I'm delighted that so many people are getting value in difftastic, but there has been a significant increase in new issues recently! Hopefully this is a temporary bump from HN.
It's a genuine risk from creating a generic tool: if 1% of devs use it, that's a huge userbase.
The book 'The Art of the Metaobject Protocol' has two chapters in the public domain and available online!
Chapter 5: Concepts
Chapter 6: Generic Functions and Methods