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authorArun Isaac2026-04-12 18:09:49 +0100
committerArun Isaac2026-04-12 18:09:49 +0100
commitfe32909d58a59407350043851970cb3004ad351e (patch)
tree3e8d58df44ffd2de4b926f876b33081d3f285b59 /kaakaa/utils.scm
parent968c5f2c9df53139729aa5356ad5a802d1c88f37 (diff)
downloadkaagum-fe32909d58a59407350043851970cb3004ad351e.tar.gz
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Rename project to kaagum.
kaakaa reminds too many Europeans of shit. 😅
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diff --git a/kaakaa/utils.scm b/kaakaa/utils.scm
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-;;; kaakaa --- Tiny, security-focused AI agent in Guile
-;;; Copyright © 2026 Arun Isaac <arunisaac@systemreboot.net>
-;;;
-;;; This file is part of kaakaa.
-;;;
-;;; kaakaa is free software: you can redistribute it and/or modify it
-;;; under the terms of the GNU General Public License as published by
-;;; the Free Software Foundation, either version 3 of the License, or
-;;; (at your option) any later version.
-;;;
-;;; kaakaa is distributed in the hope that it will be useful, but
-;;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-;;; General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with kaakaa.  If not, see <https://www.gnu.org/licenses/>.
-
-(define-module (kaakaa utils)
-  #:use-module (srfi srfi-1)
-  #:use-module (srfi srfi-26)
-  #:use-module (ice-9 match)
-  #:use-module (ice-9 popen)
-  #:export (->
-            foldn
-            alist->plist
-            call-with-input-pipe))
-
-(define (->-helper x . procs)
-  "Thread @var{x} through @var{procs}."
-  (match procs
-    (() x)
-    ((head tail ...)
-     (apply ->-helper (head x) tail))))
-
-(define-syntax-rule (-> x (proc ...) ...)
-  "Thread @var{x} through @var{procs}.
-
-For example:
-(-> 1
-    (1+ <>)
-    (* 2 <>)
-    (expt <> 2))
-=> 16"
-  (->-helper x (cut proc ...) ...))
-
-(define (foldn proc lst . inits)
-  "Apply @var{proc} to the elements of @var{lst} to build a result, and return
-that result. @var{proc} may return multiple values, in which case, an equal
-number of values are returned. Each @var{proc} call is @code{(proc element
-previous ...)} where @code{element} is an element of @var{lst}, and
-@code{(previous ...)} is the return from the previous call to @var{proc} or the
-given @var{inits} for the first call. For example,
-
-(foldn (lambda (n sum sum-of-squares)
-         (values (+ sum n)
-                 (+ sum-of-squares (expt n 2))))
-       (iota 10)
-       0 0)
-=> 45
-=> 285"
-  (apply values
-         (fold (lambda (element results)
-                 (call-with-values (cut apply proc element results) list))
-               inits
-               lst)))
-
-(define (alist->plist alist)
-  "Convert association list @var{alist} to a property list. Keys in
-@var{alist} are converted to keywords."
-  (append-map (match-lambda
-                ((key . value)
-                 (list (symbol->keyword (string->symbol key))
-                       value)))
-              alist))
-
-(define (call-with-input-pipe command proc)
-  "Call @var{proc} with input pipe to @var{command}. @var{command} is a
-list of program arguments."
-  (match command
-    ((prog args ...)
-     (let ((port #f))
-       (dynamic-wind
-         (lambda ()
-           (set! port (apply open-pipe* OPEN_READ prog args)))
-         (cut proc port)
-         (lambda ()
-           (unless (zero? (close-pipe port))
-             (error "Command invocation failed" command))))))))