Moreover, Rust is working on portability lints: https://github.com/rust-lang/rfcs/blob/master/text/1868-portability-lint.md https://github.com/rust-lang/rfcs/b

Moreover, Rust is working on portability lints: https://github.com/rust-lang/rfcs/blob/master/text/1868-portability-lint.md https://github.com/rust-lang/rfcs/blob/master/text/1868-port... So that even when you only compile and test your code on Linux, you will get warnings about calling Linux-only functions from maybe-Windows functions.