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bug#49363: eof-object? is not exported from (ice-9 binary-ports)
From: |
Linus Björnstam |
Subject: |
bug#49363: eof-object? is not exported from (ice-9 binary-ports) |
Date: |
Sun, 04 Jul 2021 07:54:25 +0200 |
User-agent: |
Cyrus-JMAP/3.5.0-alpha0-530-gd0c265785f-fm-20210616.002-gd0c26578 |
Isn't eof-object? available in the default environment?
--
Linus Björnstam
On Sat, 3 Jul 2021, at 22:24, Maxime Devos wrote:
> According to the manual:
>
> 6.12.2 Binary I/O
> -----------------
>
> [...]
> To use these routines, first include the binary I/O module:
>
> (use-modules (ice-9 binary-ports))
>
> [...]
> The end-of-file object is unlike any other kind of object: it’s not a
> pair, a symbol, or anything else. To check if a value is the
> end-of-file object, use the ‘eof-object?’ predicate.
>
> -- Scheme Procedure: eof-object? x
> -- C Function: scm_eof_object_p (x)
> Return ‘#t’ if X is an end-of-file object, or ‘#f’ otherwise.
>
> However, eof-object? is not exported by (ice-9 binary-ports):
>
> scheme@(guile-user)> (@ (ice-9 binary-ports) eof-object?)
> ice-9/boot-9.scm:1685:16: In procedure raise-exception:
> Unbound variable: eof-object?
>
> But it is imported from (ice-9 ports):
>
> scheme@(guile-user) [1]> (@ (ice-9 ports) eof-object?)
> $1 = #<procedure eof-object? (_)>
>
> Could an appropriate export be added to (ice-9 binary-ports)?
> Or the manual adjusted to note you need to import (ice-9 ports)
> to get eof-object?
>
> Greetings,
> Maxime
>
> Attachments:
> * signature.asc