That just generated an empty test function in a convenient place for me. I'm not just talking about boilerplate, it's definitely a more... organic-feeling sort of pattern matching. In fact, one of the things I find most interesting about it is the sort of mistakes it makes, like generating wrong field names (as if it simply took a guess). This is the sort of thing that I've grown to expect the deterministic tooling of IDEs to get right, so it always surprises me a bit.

By the same token, often it takes a stab at generating code based on something's name (plus whatever context it's looking at) and does a better job than the IDE could, because the IDE just sees datatypes and code structure. It really does feel like a complementary tool.

You haven't tested how powerful copilot is, have you?