Swym ("say what you mean") is a cute programming language with an 'etc' keyword and the compiler figures out the rest. E.g.
https://list.total/: .1st + .2nd + etc;
[1..10].total;
miniblog.
Related Posts
Some figures on the amazing adoption rate of Rust: https://www.jonathanturner.org/2017/10/fun-facts-about-rust-growth.html
An oldie, but a goodie: an Asteroids clone that figures out which domains you've visited: http://t.co/5ceqUllNEg