exercises and notes from "Gentle introduction"

quicklisp-thing.lisp

@@ -0,0 +1,66 @@
+
+;; that's for initial installation
+;; (load "~/Downloads/quicklisp.lisp")
+
+;; that prints into repl -
+;; (quicklisp-quickstart:help) and (quicklisp-quickstart:install) are paths forward
+;; would I maybe want to install it with nix?
+;;
+;; I could try
+;; I guess it works, there's binary and /lib in ~/.nix-profille
+;; /home/efim/.nix-profile/lib/common-lisp/quicklisp/setup.lisp
+
+;; so, "loading after installation" from https://www.quicklisp.org/beta/#loading
+;; is what I'd want
+
+;; (load "~/.nix-profile/lib/common-lisp/quicklisp/setup.lisp")
+;; error! "Can't create directory", welp
+;; then how would I load it?
+;; do I need to modify sbcl startup?
+;; sbcl is also installed with nix, so it could probably integrate loading of quicklisp?
+
+;;; welp, I've asked a question on discourse
+;; maybe somebody will help, and then I'd document this
+;; https://discourse.nixos.org/t/how-to-use-quicklisp-with-sbcl/20539
+
+;; I'll proceed with manual installation
+;; https://www.quicklisp.org/beta/#loading
+
+;; well, that seems to work. with manual step of adding to ~/.sblcrc
+;; now restarting sly I have quicklisp
+;; I guess that's ok
+
+;;; Now, how to use it?
+;; one commad is already present in installation guide
+(ql:system-apropos "vecto")
+(ql:system-apropos "matrix")
+(ql:system-apropos "cells")
+
+;; and there's
+#'ql:quickload
+
+;; and counterpart
+#'ql:uninstall
+
+;; this is of course absolutely not pure or nixy
+;; ok, now, I just go about reading on the packages themselves, and there's not much on the quicklisp?
+;; maybe
+
+;;; could look into "awesome-cl" list
+;; maybe I'd find something to play with
+;; https://github.com/CodyReichert/awesome-cl
+
+;;; ?? what is "in-package"?
+(ql:quickload "fset")
+
+(in-package fset-user)
+(isetq s (map ('a 2) :default 1))
+
+
+(in-package cl-user)
+(isetq s (map ('a 2) :default 1))       ; error, yay
+
+;; promising things to look at are
+;; cl21 http://cl21.org/
+;; Alexandria
+;; FSet https://fset.common-lisp.dev/Site/FSet-Tutorial.html