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Mikael Djurfeldt 1998-12-10 17:06:24 +00:00
parent ac286d58fa
commit e7b6c8341c
2 changed files with 7 additions and 22 deletions
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22
NEWS
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@ -35,28 +35,6 @@ in backtraces.
* Changes to Scheme functions and syntax * Changes to Scheme functions and syntax
** New module: (ice-9 setf)
Implements generalized references a la Common LISP.
*** New syntax: setf! PLACE VALUE
Puts VALUE in location specified by PLACE. setf! is more general than
set! in the sense that PLACE can be a form (GETTER EXP1 EXP2 ...). The
setf! expression will be transformed into (SETTER EXP1 EXP2 ... VALUE)
where SETTER is a procedure or macro which has previously been
associated with GETTER.
Example:
(setf! (car x) 4) <=> (set-car! x 4)
*** New syntax: setter GETTER
The name of the SETTER of GETTER. The way to associate a SETTER with
a GETTER is: (setf! (setter GETTER) SETTER)
Example:
(setf! (setter car) set-car!)
** The range of logand, logior, logxor, logtest, and logbit? have changed. ** The range of logand, logior, logxor, logtest, and logbit? have changed.
These functions now operate on numbers in the range of a C unsigned These functions now operate on numbers in the range of a C unsigned

7
ice-9/ChangeLog
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@ -1,3 +1,10 @@
1998-12-11 Mikael Djurfeldt <mdj@barbara.nada.kth.se>
* Makefile.am: Removed setf.scm.
* setf.scm: Removed. 1. It was buggy. 2. It was unschemey.
(These shortcomings were my fault.)
1998-12-07 Mikael Djurfeldt <mdj@barbara.nada.kth.se> 1998-12-07 Mikael Djurfeldt <mdj@barbara.nada.kth.se>
* Makefile.am: Added setf.scm. * Makefile.am: Added setf.scm.