alexandria-devel August 2008

alexandria-devel@common-lisp.net

3 participants
7 discussions

[alexandria-devel] Review cycle 2: SWITCH, ESCWITCH, and CSWITCH
by Nikodemus Siivola 08 Apr '10

08 Apr '10

macro switch ((object &key test key) &body clauses) "Evaluates first matching clause, returning its values, or evaluates and returns the values of DEFAULT if no keys match." macro eswitch ((object &key test key) &body clauses) "Like SWITCH, but signals an error if no key matches." cswitch ((object &key test key) &body clauses) "Like SWITCH, but signals a continuable error if no key matches."

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[alexandria-devel] darcs patch: Add #.#+ readtime conditional functions.
by asf＠boinkor.net 02 Oct '09

02 Oct '09

Mon Oct 16 10:00:31 CEST 2006 asf(a)boinkor.net * Add #.#+ readtime conditional functions. * This adds functions that can be used in #+#. readtime conditionals, for example: #+#.(alexandria:read-if (find-package :asdf-install)) :yay #+#.(alexandria:read-if-fbound :install :asdf-install :exportedp t) :yay * included in the patch is a commented-out portion that allows the user to activate a #? read syntax. I'm not sure if that fits into the conservativism constraints.

3 3

[alexandria-devel] Testing with Lisps other than SBCL, patches
by Luis Oliveira 21 Aug '08

21 Aug '08

Hello, Yesterday I decided to test Alexandria with a couple of Lisps. The following patches resulted from that session, except MULTIPLE-VALUE-PROG2 whose usefulness is admittedly debatable. Sun Jul 27 04:01:39 WEST 2008 Luis Oliveira <loliveira(a)common-lisp.net> * Mark expected failures for Allegro CL: TYPE=.[234] Sun Jul 27 04:01:30 WEST 2008 Luis Oliveira <loliveira(a)common-lisp.net> * amend COPY-SEQUENCE.1 - can't assume that (upgraded-array-element-type 'fixnum) => fixnum. Fix that. Sun Jul 27 03:54:27 WEST 2008 Luis Oliveira <loliveira(a)common-lisp.net> * tests: mark CLISP failures - COPY-HASH-TABLE.1 causes a stack overflow due to a CLISP bug. - ALIST-HASH-TABLE.1, PLIST-HASH-TABLE.1 fail because HASH-TABLE-TEST returns EXT:FASTHASH-{EQ,EQL}. Sun Jul 27 03:46:35 WEST 2008 Luis Oliveira <loliveira(a)common-lisp.net> * tests: define and use ERRORP - TYPEP returns a generalized boolean. On Lisps like ECL, this detail was causing some tests to fail. ERRORP takes this into account. Sun Jul 27 03:45:07 WEST 2008 Luis Oliveira <loliveira(a)common-lisp.net> * Small fix to COPY-HASH-TABLE - New hash-table was being created with a bogus rehash-size. - Added regression test in another patch. Sun Jul 27 03:43:21 WEST 2008 Luis Oliveira <loliveira(a)common-lisp.net> * Define an alexandria-tests ASDF system. - make it usable for other Lisps besides SBCL. - TEST-OP runs tests both compiled and evaluated. Sun Jul 27 03:37:13 WEST 2008 Luis Oliveira <loliveira(a)common-lisp.net> * New macro: MULTIPLE-VALUE-PROG2 These patches can be pulled via darcs pull http://common-lisp.net/~loliveira/darcs/alexandria -- Luís Oliveira http://student.dei.uc.pt/~lmoliv/

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[alexandria-devel] WITH-STRUCT
by Tobias C. Rittweiler 17 Aug '08

17 Aug '08

WITH-STRUCT is the WITH-SLOTS pendant for structures. I think there are different syntactic variants out there. I'm used to the one in SWANK which looks as follows: (defstruct (foo-struct (:conc-name foo-struct.)) slot1 slot2 slot3) (with-struct (foo-struct. slot1 slot2 slot3) *foo-struct* ...) -T.

1 0

[alexandria-devel] MAYBE [type]
by Tobias C. Rittweiler 15 Aug '08

15 Aug '08

How about adding (deftype maybe (&rest types) `(or null ,@types)) ? -T.

1 0

[alexandria-devel] [PATCH] Fix for a bug in map-permutations
by Juan M. Bello Rivas 01 Aug '08

01 Aug '08

Hi, The function map-permutations wasn't working. The attached patch fixes it. Regards, -- Juan M. Bello Rivas

2 1

[alexandria-devel] Pending patches
by Tobias C. Rittweiler 01 Aug '08

01 Aug '08

There are still several patches pending in my repository: http://common-lisp.net/~trittweiler/darcs/alexandria/ The patches affect the following files: * alexandria.asd: Attila's LENGTH= implementation makes use of ARRAY-INDEX. So add a dependency between `types.lisp' and `sequences.lisp'. * functions.lisp: Make %COERCE-CALLABLE-TO-FUN notes go away. * lists.lisp: Add macro DO-PROPER-LIST, add function PROPER-LIST-LENGTH. Use them to guard against dotted and circular lists in several functions in `lists.lisp' and `sequences.lisp' (those who stated so in their docstrings.) * sequences.lisp: Fix MAP-COMBINATIONS. Add sequence iterators, i.e. WITH-SEQUENCE-ITERATOR and DOSEQUENCE. * hash-tables.lisp: Remove :KEY argument from COPY-HASH-TABLE; introduce MAP-HASH-TABLE instead. * modify-macros.lisp: New file; add CALLF &c.; Also add ENSUREF. -T.

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alexandria-devel August 2008