5 ms·i also wonder about this concept; is there a programming language that has this behavior?by gnatmud8 1y agoi also wonder about this concept; is there a programming language that has this behavior?eterps 1y agoAda, Nim, Pascal. I think C++ also offers it with a specific syntax. Rust also offers it, but you need to specify it on the call side as well.v9v 1y agoFortran can do "in out" arguments to subroutines also.