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author | James LewisMoss <dres@debian.org> | 1999-12-06 19:32:57 -0500 |
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committer | Bryan Newbold <bnewbold@robocracy.org> | 2017-02-20 00:05:28 -0800 |
commit | c394920caedf3dac1981bb6b10eeb47fd6e4bb21 (patch) | |
tree | f21194653a3554f747dde3df908df993c48db5a0 /recobj.scm | |
parent | 926b1b647ac830660933a5e63eb52d4a2552e264 (diff) | |
parent | bd9733926076885e3417b74de76e4c9c7bc56254 (diff) | |
download | slib-c394920caedf3dac1981bb6b10eeb47fd6e4bb21.tar.gz slib-c394920caedf3dac1981bb6b10eeb47fd6e4bb21.zip |
Import Debian changes 2c7-1debian/2c7-1
slib (2c7-1) unstable; urgency=low
* New upstream.
* Add slibconfig back in.
slib (2c6-2) unstable; urgency=low
* Remove the slib$(VERSION).info file. Cut the diff back down to
size.
slib (2c6-1) unstable; urgency=low
* New upstream.
* Move docs to /usr/share. Up standards version. add /usr/doc symlink.
Move info files. Remove undocumented link.
slib (2c5-6) unstable; urgency=low
* Lowercase two vars in yasyn.scm (Fixes bug #37222)
slib (2c5-5) unstable; urgency=low
* Fix it so string-index isn't defined (now there is a
strsrch:string-index) (Fixes #38812)
slib (2c5-4) unstable; urgency=low
* Don't run slibconfig in postinst. (Fixes bug #38253, #37733, #37715,
#37746, #37809, #37917, #38123, #38462)
slib (2c5-3) unstable; urgency=low
* Run slibconfig in postinst. It was commented out there, but I don't
see any old bug reports on why it was commented out, so let's try
again. :) (Fixes bug #37221)
slib (2c5-2) unstable; urgency=low
* Link mklibcat.scm to mklibcat. Fixes a problem with using slib with
guile.
slib (2c5-1) unstable; urgency=low
* New upstream.
slib (2c3-4) unstable; urgency=low
* New maintainer.
Diffstat (limited to 'recobj.scm')
-rw-r--r-- | recobj.scm | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/recobj.scm b/recobj.scm new file mode 100644 index 0000000..36ab6d2 --- /dev/null +++ b/recobj.scm @@ -0,0 +1,55 @@ +;;; "recobj.scm" Records implemented as objects. +;;;From: whumeniu@datap.ca (Wade Humeniuk) + +(require 'object) +(require 'common-list-functions) + +(define record-type-name (make-generic-method)) +(define record-accessor (make-generic-method)) +(define record-modifier (make-generic-method)) +(define record? (make-generic-predicate)) +(define record-constructor (make-generic-method)) + +(define (make-record-type type-name field-names) + (define self (make-object)) + + (make-method! self record-type-name + (lambda (self) + type-name)) + (make-method! self record-accessor + (lambda (self field-name) + (let ((index (comlist:position field-name field-names))) + (if (not index) + (slib:error "record-accessor: invalid field-name argument." + field-name)) + (lambda (obj) + (record-accessor obj index))))) + + (make-method! self record-modifier + (lambda (self field-name) + (let ((index (comlist:position field-name field-names))) + (if (not index) + (slib:error "record-accessor: invalid field-name argument." + field-name)) + (lambda (obj newval) + (record-modifier obj index newval))))) + + (make-method! self record? (lambda (self) #t)) + + (make-method! self record-constructor + (lambda (class . field-values) + (let ((values (apply vector field-values))) + (define self (make-object)) + (make-method! self record-accessor + (lambda (self index) + (vector-ref values index))) + (make-method! self record-modifier + (lambda (self index newval) + (vector-set! values index newval))) + (make-method! self record-type-name + (lambda (self) (record-type-name class))) + self))) + self) + +(provide 'record-object) +(provide 'record)
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