Re: match error

[Damien Mattei]

yes Zelphir, sorry ,why i forgot the subject? i do not know
, i'm using gmail and the feature for editing the subject is hidden :-(
now it is fixed
Damien

On Tue, Aug 1, 2023 at 12:57 PM Zelphir Kaltstahl
<zelphirkaltstahl@posteo.de> wrote:
>
> On 8/1/23 11:53, Damien Mattei wrote:
> > hello,
> >
> > i have this error:
> >
> > ice-9/boot-9.scm:1685:16: In procedure raise-exception:
> > Throw to key `match-error' with args `("match" "no matching pattern" (1 
> > 0))'.
> >
> > i thought it was a 'match' related error as i used it in a macro:
> >
> > ;;(display "before match") (newline)
> >         (match (list index1-or-keyword-eval-pos index2-or-keyword-eval-pos)
> >
> >            ;;  {a <+ (make-vector 7 0)}
> >            ;; '#(0 0 0 0 0 0 0)
> >            ;; > {a[/ /] <- #(1 2 3)}
> >            ;; > a
> >            ;; '#(1 2 3 0 0 0 0)
> >            (((? (cut equal? <> /)) (? (cut equal? <> /)))
> > (container-copy! container-eval
> >                                            0
> >                                            expr-eval))
> >
> >            ;;  {s <+ (string-append "abcdefgh")}
> >            ;; "abcdefgh"
> >            ;; > {s[3 /] <- "zob"}
> >            ;; > s
> >            ;; "abczobgh"
> >            ;; >
> >            ((i1 (? (cut equal? <> /))) (container-copy! container-eval
> >                            i1
> >                            expr-eval))
> >
> >            (((? (cut equal? <> /)) i2) (container-copy! container-eval
> >                                 0
> >                                 expr-eval
> >                                 0
> >                                 i2))
> >
> >            ((i1 i2)  (if (vector? container-eval)  ;; normal case
> >                   (function-array-n-dim-set! container-eval expr-eval
> > (reverse (list i1 i2)))
> >                   (array-set! container-eval index1-or-keyword-eval
> > index2-or-keyword-eval expr-eval)))) ;; end match
> >
> > if really the given args are (0 1) i suppose the last case of match
> > should be evaluated?
> >
> > why not?
> >
> > quoting the whole part of the macro and i still have the issue
> > this seems to prove the problem is in other part of my code but match
> > is only used here???
> >
> > so i do not understand
> >
> > i search on the net and only find relating issues with guix ,which i do not 
> > use:
> >
> > https://www.youtube.com/watch?v=sqYGI5Ow2wY
> >
> > i probably missed something cross-developping between my code in guile
> > and racket as the 'match' are not compatible but i'm sticked with this
> > problem for hours... any idea??? if i use old code i suppose it will
> > work (i have older version)
> >
> > Damien
>
> Hello Damien (or responding ones)!
>
> It would be good to have a proper subject in your message to the mailing list,
> so that one can see what your e-mail is about, without having to read
> everything. : ) Also good for later searching messages to the mailing list, 
> when
> remembering there being some discussion and wanting to read up on it again.
>
> Best regards,
> Zelphir
>
> --
> repositories: https://notabug.org/ZelphirKaltstahl
>