This is actually being discussed on /r/rust, see https://www.reddit.com/r/rust/comments/67rjii/question_about_adding_strs_to_string_concatenate/?st=j20qiumc&sh=

This is actually being discussed on /r/rust, see https://www.reddit.com/r/rust/comments/67rjii/question_about_adding_strs_to_string_concatenate/?st=j20qiumc&sh=4f6fe872 https://www.reddit.com/r/rust/comments/67rjii/question_about... Turns out my assumption (like C++, make expensive things more verbose) isn't the complete picture. The big blocker is a technical issue preventing `"" + ""` See https://github.com/rust-lang/rust/issues/39018#issuecomment-273276843 https://github.com/rust-lang/rust/issues/39018#issuecomment-...