guile-user
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Uploading Word documents, PDFs, PNG files etc


From: Ludovic Courtès
Subject: Re: Uploading Word documents, PDFs, PNG files etc
Date: Tue, 12 May 2009 12:33:16 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.90 (gnu/linux)

Sebastian Tennant <address@hidden> writes:

>  (define (upload name)
>    (and=> (uploads name) car))

[...]

> P.S. Documentation bug - the procedure 'and=>' is missing from the
>      manual.  What's the difference between the way the upload procedure
>      is written above and simply:
>
>       (define (upload name)
>         (car (uploads name)))

Using `and=>', `upload' returns `#f' if `uploads' returns `#f'.

Thanks,
Ludo'.





reply via email to

[Prev in Thread] Current Thread [Next in Thread]