I've been coding for years using a preprocessor that eliminates most parentheses: Indentation implies parentheses. A pipe "|" opens a parenthesis that auto-closes at the end of that line or at the next ")". A dollar "$" opens a parenthesis that auto-closes when the indentation recovers. The result has a lighter, more poetic look than any language I know, and the parentheses that are left actually matter, so I pay attention to them.

I've seen other proposals online, but they felt untested to me. Leave out either "|" or "$" and the above system gets clumsy. I check for the equivalent of "$" in other proposals exactly as I check for marrow in a stew recipe: Did they really think this through?

One can't change existing habits. An idea that appeals to me: Write a Lisp preprocessor for Rust, and happen to use this syntax.

Lisp without s-expressions is like bathwater without a baby.

S-expressions enable homo-iconic macros and make compile-time computing super easy! I spent 35 years programming in C and C-like languages and then developed my own Common Lisp implementation (http://github.com/clasp-developers/clasp.git) - the only Common Lisp that interoperates with C++ and uses llvm as the backend. When I started with lisp I wrestled with the syntax and sweet-expressions and just decided to let it go. Now I've found language love all over again!

In a world that runs on Javascript, nobody should be able to complain about a few measly parentheses.

Obligatory relevant XKCD comic: https://xkcd.com/297/