Would it work to make it use syntax-local-infer-name but only use the symbolic part of that name?
Robby On Mon, Dec 9, 2013 at 3:34 PM, Sam Tobin-Hochstadt <sa...@cs.indiana.edu>wrote: > Aha, I found the example: > > (let ([foo ((lambda (#:kk x) (λ (x) x)) #:k 0)]) (foo 5)) > > Has this error: > > application: procedure does not expect an argument with given keyword > procedure: foo > given keyword: #:k > arguments...: > #:k 0 > > > Note that if you make the keywords the same, `foo` is indeed bound to > a procedure, but _not_ to the procedure referred to in the error > message. > > Sam > > On Mon, Dec 9, 2013 at 4:29 PM, Sam Tobin-Hochstadt > <sa...@cs.indiana.edu> wrote: > > I haven't found a way to make it happen yet. But even so, it seems > > like the wrong name. > > > > Sam > > > > On Mon, Dec 9, 2013 at 4:16 PM, Robby Findler > > <ro...@eecs.northwestern.edu> wrote: > >> Is it possible that that name can leak out in an error message? > >> > >> Robby > >> > >> > >> > >> On Mon, Dec 9, 2013 at 3:10 PM, Sam Tobin-Hochstadt < > sa...@cs.indiana.edu> > >> wrote: > >>> > >>> Currently, this program fails with a somewhat bizarre type error: > >>> > >>> #lang typed/racket > >>> > >>> (: foo ([#:k Any] -> Integer)) > >>> (define (foo #:k [s #f]) 0) > >>> > >>> (let: ([i : Integer (foo #:k #t)]) i) > >>> > >>> The reason is that the expansion of keyword applications generates a > >>> name to use for the function (here `foo`), and it uses > >>> `syntax-local-infer-name` to get the name to use. Unfortunately, in > >>> this case, it produces `i`, an identifier which has an extra syntax > >>> property saying that `i` is an `Integer`. Of course, `foo` isn't an > >>> integer, it's a function, and so we get a type error. > >>> > >>> I don't see why the inferred name is the right choice here -- there's > >>> no connection between `i` and the name of the function. I can just > >>> change this to use a fresh name, but I thought I'd ask first. > >>> > >>> Sam > >>> _________________________ > >>> Racket Developers list: > >>> http://lists.racket-lang.org/dev > >> > >> >
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