[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#59221: (file-exists? #f) raises an exception
From: |
Jean Abou Samra |
Subject: |
bug#59221: (file-exists? #f) raises an exception |
Date: |
Sat, 12 Nov 2022 18:57:20 +0100 |
> Le 12 nov. 2022 à 18:50, Joshua Branson via Bug reports for GUILE, GNU's
> Ubiquitous Extension Language <bug-guile@gnu.org> a écrit :
>
>
> Hello you lovely guile people!
>
> This bug is so simple the subject line says it all!
>
> file-exists? is a predicate, but
>
> #+BEGIN_SRC scheme
> (file-exists? #f)
> ice-9/boot-9.scm:1685:16: In procedure raise-exception:
> In procedure stat: Wrong type argument in position 1 (expecting open file
> port): #f
>
> Entering a new prompt. Type `,bt' for a backtrace or `,q' to continue.
> #+END_SRC
>
> I will shortly tag this as "easy". Can you lovely maintainers give me
> about a week to try to fix this myself?
>
> Thanks,
>
> Joshua
> avid fantany reader
What’s the problem here?
It is normal for predicates to be defined only on certain types. You will find
the same with positive?, string-null? and the like.
Regards,
Jean