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slib more stuff
From: |
Kevin Ryde |
Subject: |
slib more stuff |
Date: |
Mon, 09 Aug 2004 11:18:09 +1000 |
User-agent: |
Gnus/5.110003 (No Gnus v0.3) Emacs/21.3 (gnu/linux) |
I made some changes to ice-9 slib,
* slib.scm (*features*): Remove array and array-for-each, core
definitions are insufficient for latest slib.
(t, nil): New constants slib says are supposed to exist.
(call-with-open-ports, browse-url): New functions for latest slib.
Implementations taken from Template.scm (public domain).
(open-file): Extend core definition to accept symbols for the mode,
required by latest slib.
(delete-file): Replace core definition with version returning #t/#f as
per slib spec.
(system): Mark as #:replace to suppress override warning, use new
style "(@ (guile) system)" to call core function.
This will be for 1.6 too, because otherwise slib 3a1 is fairly broken.
Just need to adapt the open-file and delete-file implementations to 1.6.
Words in the manual about the overridden bits:
Note that the following Guile core functions are overridden by
`(ice-9 slib)', to implement SLIB specified semantics.
`delete-file'
Returns `#t' for success or `#f' for failure (*note Input/Output:
(slib)Input/Output.), as opposed to the Guile core version
unspecified for success and throwing an error for failure (*note
File System::).
`provided?'
Accepts a feature specification containing `and' and `or' forms
combining symbols (*note Feature: (slib)Feature.), as opposed to
the Guile core taking only plain symbols (*note Feature
Manipulation::).
`open-file'
Takes a symbol `r', `rb', `w' or `wb' for the open mode (*note
Input/Output: (slib)Input/Output.), as opposed to the Guile core
version taking a string (*note File Ports::).
`system'
Returns a plain exit code 0 to 255 (*note System Interface:
(slib)System Interface.), as opposed to the Guile core version
returning a wait status that must be examined with
`status:exit-val' etc (*note Processes::).
slib.scm.misc.diff
Description: Text document
slib.test
Description: Text document
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