From 3020451c7f455eed9417e838e0ae2f0b26d4dbfc Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Fri, 1 Nov 2019 21:36:16 -0700
Subject: cleanup some of this scheme code

---
 .dir-locals.el        |  3 +--
 com/simatime/bild.scm |  8 +++-----
 com/simatime/core.scm | 46 +++++++---------------------------------------
 com/simatime/repl.scm | 27 ++++++++-------------------
 4 files changed, 19 insertions(+), 65 deletions(-)

diff --git a/.dir-locals.el b/.dir-locals.el
index 66335d0..77b3e9c 100644
--- a/.dir-locals.el
+++ b/.dir-locals.el
@@ -4,5 +4,4 @@
     . ( (indent-tabs-mode . nil)
         (eval . (put 'for     'scheme-indent-function 1))))
   (geiser-mode
-    . ( (geiser-guile-load-path . ".")
-        (geiser-guile-init-file . "com/simatime/repl.scm"))))
+    . ( (geiser-guile-load-path . "."))))
diff --git a/com/simatime/bild.scm b/com/simatime/bild.scm
index 44f6c74..d924b29 100755
--- a/com/simatime/bild.scm
+++ b/com/simatime/bild.scm
@@ -1,6 +1,4 @@
-#!/usr/bin/env bash
-exec guile -e "(@ (com simatime bild) main)" -s "$0" "$@"
-!#
+;;
 ;; bild - a simple build tool
 ;;
 ;;; Notice:
@@ -140,8 +138,8 @@ exec guile -e "(@ (com simatime bild) main)" -s "$0" "$@"
          (target (cadr args))
          (path (ns->path target)))
     (display (fmt ":: bild ~a...\r" target))
-    (sh/exec (fmt "nix build -f ~a/default.nix -o ~a/_bild/~a ~a"
-                  root root path target))
+    (sh/exec (fmt "nix build -f ~a/default.nix ~a"
+                  root target))
     (display (fmt ":: bilt ~a" target))))
 
 (define ns? symbol?)
diff --git a/com/simatime/core.scm b/com/simatime/core.scm
index 6a4f09d..611aaca 100644
--- a/com/simatime/core.scm
+++ b/com/simatime/core.scm
@@ -1,21 +1,12 @@
 (define-module (com simatime core))
 
-;;
-;; old core, do i still need this?
-;;
-
-(define (not x)            (if x #f #t))
-(define (null? obj)        (if (eqv? obj '()) #t #f))
-(define (list objs)        objs)
-(define (identity obj)     obj)
 (define (flip f)           (lambda (x y) (f y x)))
 (define (curry f a)        (lambda (b) (apply f (cons a (list b)))))
-(define (compose f g)      (lambda (x) (f (apply g x))))
-(define zero?              (curry = 0))
-(define positive?          (curry < 0))
-(define negative?          (curry > 0))
-(define (odd? n)           (= (mod n 2) 1))
-(define (even? n)          (= (mod n 2) 0))
+(define pos?
+  (curry < 0))
+
+(define neg?
+  (curry > 0))
 
 (define (foldr f end lst)
   (if (null? lst)
@@ -27,40 +18,17 @@
     acc
     (foldl f (f acc (car lst)) (cdr lst))))
 
-(define fold   foldl)
+(define fold foldl)
 
 (define (unfold f init pred)
   (if (pred init)
     (cons init '())
     (cons init (unfold f (f init) pred))))
 
-(define (mem* pred op)
-  (lambda (acc next)
-    (if (and (not acc) (pred (op next)))
-      next
-      acc)))
-
 (define (sum lst)          (fold + 0 lst))
 (define (produce lst)      (fold * 0 1 lst))
 
-(define (max nums)
-  (fold (lambda (x y) (if (> x y) x y))
-        (car nums) (cdr nums)))
-
-(define (min nums)
-  (fold (lambda (x y) (if (< x y) x y))
-        (car nums) (cdr nums)))
-
-(define (length lst)       (fold (lambda (x y) (+ x 1)) 0 lst))
-(define (reverse lst)      (fold (flip cons) '() lst))
-(define (memq obj lst)     (fold (mem* (curry eq? obj) identity) #f lst))
-(define (memv obj lst)     (fold (mem* (curry eqv? obj) identity) #f lst))
-(define (member obj lst)   (fold (mem* (curry equal? obj) identity) #f lst))
-(define (assq obj alist)   (fold (mem* (curry eq? obj) car) #f alist))
-(define (assv obj alist)   (fold (mem* (curry eqv? obj) car) #f alist))
-(define (assoc obj alist)  (fold (mem* (curry equal? obj) car) #f alist))
-(define (map f lst)        (foldr (lambda (x y) (cons (f x) y)) '() lst))
-(define (filter pred lst)  (foldr (lambda (x y) (if (pred x) (cons x y) y)) '() lst))
+(define count length)
 
 
 ;;
diff --git a/com/simatime/repl.scm b/com/simatime/repl.scm
index 3d2f6d9..bae7e8f 100644
--- a/com/simatime/repl.scm
+++ b/com/simatime/repl.scm
@@ -1,23 +1,5 @@
 (define-module (com simatime repl)
-  #:use-module ((ice-9 ftw) #:prefix ftw:)
-  #:export (pr prn pwd ls cd))
-
-
-;;
-;; shell-like stuff
-;;
-(use-modules ((ice-9 ftw) #:prefix ftw:))
-
-(define (pwd)
-  (regexp-substitute/global
-   #f "/home/ben" (getcwd) 'pre "~" 'post))
-
-(define (ls)
-  (ftw:scandir (getcwd)))
-
-(define (cd path)
-  (chdir path)
-  (ls))
+  #:export ())
 
 
 ;;
@@ -32,3 +14,10 @@
 ;;            (getenv "USER")
 ;;            (vector-ref (uname) 1)
 ;;            (pwd))))
+
+;; TODO(bsima): (doc x)
+;; TODO(bsima): (src x)
+;; TODO(bsima): ,src command
+;; TODO(bsima): ,shell command
+;; TODO(bsima): how to load this file on startup?
+;; for ,src and ,shell https://github.com/NalaGinrut/nala-repl
-- 
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