From 0b23663c528196e07b742041dd1912a692995d67 Mon Sep 17 00:00:00 2001 From: Pierre Neidhardt Date: Thu, 30 Jun 2022 16:53:35 +0200 Subject: gnu: Add filtered-functions. * gnu/packages/lisp-xyz.scm (cl-filtered-functions, ecl-filtered-functions, sbcl-filtered-functions): New variables. --- gnu/packages/lisp-xyz.scm | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/gnu/packages/lisp-xyz.scm b/gnu/packages/lisp-xyz.scm index f7663b3f8a..8f98627a5a 100644 --- a/gnu/packages/lisp-xyz.scm +++ b/gnu/packages/lisp-xyz.scm @@ -21759,3 +21759,37 @@ of a symbol.") (define-public ecl-definitions (sbcl-package->ecl-package sbcl-definitions)) + +(define-public sbcl-filtered-functions + (let ((commit "130f69e7b9e1051bf569ef63364b09a3873f0ced")) + (package + (name "sbcl-filtered-functions") + (version (git-version "0.2.0" "1" commit)) + (source + (origin + (method git-fetch) + (uri (git-reference + (url "https://github.com/pcostanza/filtered-functions") + (commit commit))) + (file-name (git-file-name "cl-filtered-functions" version)) + (sha256 + (base32 "0m13k8pl0gfll8ss83c0z3gax7zrrw2i4s26451jfbka1xr4fgy9")))) + (build-system asdf-build-system/sbcl) + (inputs + (list sbcl-closer-mop)) + (home-page "https://github.com/pcostanza/filtered-functions") + (synopsis "Extension of CLOS generic function invocation") + (description + "Filtered functions provide an extension of CLOS generic function +invocation that add a simple preprocessing step before the actual method +dispatch is performed and thus enable the use of arbitrary predicates for +selecting and applying methods. See +@url{http://www.p-cos.net/documents/filtered-dispatch.pdf} for a paper that +introduces and explains filtered functions in detail.") + (license license:expat)))) + +(define-public cl-filtered-functions + (sbcl-package->cl-source-package sbcl-filtered-functions)) + +(define-public ecl-filtered-functions + (sbcl-package->ecl-package sbcl-filtered-functions)) -- cgit v1.2.3