> but you can use some quick and dirty macros for that. That is the point of most of the libraries described in the article — to prevent having to recreate th

> but you can use some quick and dirty macros for that. That is the point of most of the libraries described in the article — to prevent having to recreate this particular wheel each time you need it. Do all Rust programs/libraries need one of the libraries? Not at all, but I find that using one that has some nice bells and whistles will encourage the programmer to improve the errors and their messages.