[racket] Combining iteration and match

From: Stephen Chang (stchang at ccs.neu.edu)
Date: Mon Sep 9 12:09:01 EDT 2013

Ah sorry. The package was missing a metadata file, which I've added.
It's working on my machine now. Would you mind trying again?
Preferably, do a remove, then install (as opposed to an update).

On Mon, Sep 9, 2013 at 9:52 AM, Konrad Hinsen
<konrad.hinsen at fastmail.net> wrote:
> Stephen Chang writes:
>
>  > I've updated the generic-bind ~for/X forms so that its performance is
>  > the same as racket's for/X.
>
> Sounds great!
>
>  > The update relies on a change to racket though. So if you want to try
>  > it, first pull from racket git head, then update the generic-bind pkg.
>
> OK, that was a good excuse for trying to install Racket from scratch,
> which was a surprisingly painless process.
>
> However, after installing Racket and then generic-bind (using "raco
> pkg install generic-bind"), I cannot use generic-bind any more. Other
> installed packages work fine, so I suspect that the problem is
> specific to generic-bind.
>
> Here's what I have in my Racket package directory:
>
>    racket/ (master) $ ls -R racket/share/pkgs/generic-bind
>    README.md    generic-bind notes.txt
>
>    racket/share/pkgs/generic-bind/generic-bind:
>    compiled
>    define-sequence-syntax-experimenting.rkt
>    generic-bind.rkt
>    generic-bind.scrbl
>    main.rkt
>    stx-utils.rkt
>    tests
>
>    racket/share/pkgs/generic-bind/generic-bind/compiled:
>    generic-bind_rkt.dep main_rkt.dep         stx-utils_rkt.dep
>    generic-bind_rkt.zo  main_rkt.zo          stx-utils_rkt.zo
>
>    racket/share/pkgs/generic-bind/generic-bind/tests:
>    compiled               generic-bind-tests.rkt maze.rkt
>    for-tests              input.txt
>
>    racket/share/pkgs/generic-bind/generic-bind/tests/compiled:
>    generic-bind-tests_rkt.dep maze_rkt.dep
>    generic-bind-tests_rkt.zo  maze_rkt.zo
>
>    racket/share/pkgs/generic-bind/generic-bind/tests/for-tests:
>    compiled      for-util.rkt  for.rktl      loadtest.rktl testing.rktl
>
>    racket/share/pkgs/generic-bind/generic-bind/tests/for-tests/compiled:
>    for-util_rkt.dep for-util_rkt.zo
>
> Now I launch Racket and type (require generic-bind):
>
>    racket/ (master) $ ./racket/bin/racket                               [15:50:14]
>    Welcome to Racket v5.90.0.9.
>    > (require generic-bind)
>    stdin::9: cannot open module file
>      module path: generic-bind
>      path: /Users/hinsen/Development/racket/racket/share/pkgs/generic-bind/main.rkt
>      system error: No such file or directory; errno=2
>      context...:
>       standard-module-name-resolver
>       /Users/hinsen/Development/racket/racket/collects/racket/private/misc.rkt:87:7
>
> So Racket looks for racket/share/pkgs/generic-bind/main.rkt, but the
> file is located at racket/share/pkgs/generic-bind/generic-bind/main.rkt.
>
> Konrad.

Posted on the users mailing list.