The case insensitive versions of the char and string comparison procedures have a -ci suffix. Did you consider using a -i or -im suffix? Or a i- or im- prefix?
cons-i cons-im i-cons im-cons On Sun, Aug 31, 2014 at 7:50 PM, John Cowan <[email protected]> wrote: > Note: The SRFI number is not yet official and is therefore subject to > change. > > Abstract: > > Scheme currently does not provide immutable pairs corresponding to its > existing mutable pairs, although most uses of pairs do not exploit > their mutability. The Racket system takes the radical approach of > making Scheme's pairs immutable, and providing a minimal library of > mutable pairs with procedures named mpair?, mcons, mcar, mcdr, set-mcar!, > set-mcdr!. This SRFI takes the opposite approach of leaving Scheme's pairs > unchanged and providing a full set of routines for creating and dealing > with immutable pairs. The sample implementation is portable and efficient. > > Rationale: > > Rather than attempting to design this library from scratch, I have chosen > the conservative option of modifying SRFI 1. Consequently, most of the > rationale given in that document applies to this one as well. I have > made the following changes: > > * Removed all linear-update procedures ending in ! > > * Removed all references to circular lists (there will be a future SRFI for > immutable bidirectional cycles). > > * Removed first, second , etc., which are mostly used for poor man's > records. > > * Removed the O(n2) lists-as-sets procedures (there will be a future SRFI > supporting O(n log n) immutable sets). > > * Inserted an i at a judicious place in each identifier, usually at the > beginning. However, because "icons" means something else in both ordinary > English and computer jargon, the basic constructor and its immediate > relatives are named ipair, xipair and ipair* instead. > > * Added procedures for conversion between ordinary and immutable pairs, > lists, > and trees. > > * Added an analogue of apply for applying a procedure to an immutable list > of > arguments. > > SRFI: http://www.ccil.org/~cowan/temp/srfi-116.html > Implementation: http://www.ccil.org/~cowan/temp/ilists.tar.gz > > Please send comments to <[email protected]> when it is created, > or to this list in the meantime. > > -- > John Cowan http://www.ccil.org/~cowan [email protected] > Schlingt dreifach einen Kreis vom dies! > Schliesst euer Aug vor heiliger Schau, > Denn er genoss vom Honig-Tau, > Und trank die Milch vom Paradies. > > _______________________________________________ > Scheme-reports mailing list > [email protected] > http://lists.scheme-reports.org/cgi-bin/mailman/listinfo/scheme-reports >
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