I see there's some work underway of this nature ;) https://github.com/mozilla/rust/pull/11718
On Tue, Jan 21, 2014 at 9:48 PM, Tony Arcieri <[email protected]> wrote: > I think the biggest thing I've struggled with learning Rust is what I will > call, for lack of a better phrase, "shit rustc says". Reading Steve > Klabnik's tutorial and some blog posts about earlier versions of rust, it's > clear that the error messages have improved dramatically since earlier > versions, but I still think there's quite a bit of room for improvement. > > For an example of how errors could be presented better, I'd look to > Facebook's typed PHP language, Hack, which was presented at Strange Loop > 2013. Hack supports a pretty fancy type system for a gradually typed > language, complete with subtyping (which PHP necessitates) and non-nullable > types. > > Hack uses a story format for error messages in order to make them easier > to understand: > > File "test.php", line 6, characters 10-11: > Invalid return type > File "test.php", line 3, characters 24-26: > This is an int > File "test.php", line 5, characters 10-11: > It is incompatible with a string > > If rustc could do something like this, I think it'd make the errors a lot > easier to understand and provide for easier debugging. > > For more information on Hack, check out the talk on InfoQ: > > http://www.infoq.com/presentations/php-history > > Or the slides: > > > https://github.com/strangeloop/StrangeLoop2013/blob/master/slides/sessions/Adams-TakingPHPSeriously.pdf > > -- > Tony Arcieri > -- Tony Arcieri
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