Using advent of code 2019 intcode problems as an excuse to mess with rust and bazel

https://www.rust-lang.org/learn/get-started

install rust:

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

upgrade to nightly for pyO3

rustup toolchain install nightly
rustup install nightly-2019-12-16
rustup default nightly-2019-12-16

maybe need to try https://github.com/PyO3/maturin to build a wheel