Interesting that tail calls are mentioned and implied to never come to Rust. I agree with your assessment and actually there is a RFC[1] in the works to support

Interesting that tail calls are mentioned and implied to never come to Rust. I agree with your assessment and actually there is a RFC[1] in the works to support them. (Note that while I'm the author, this RFC is definitely a community effort.) [1] https://github.com/rust-lang/rfcs/pull/3407 https://github.com/rust-lang/rfcs/pull/3407