Really? I was curious about how it could be used to help solve the Advent of Code. For day 1, I queried, "Write a Rust program that takes in a text file with integers delimited with line breaks and adds them up." which gave me runnable code and gets you most of the way to solving the AoC problem.

I tried for example: create a grpc server in rust for a struct containing first name, last name

It managed to start out with tonic and tokyo, but soon fell apart.