From: Tim Vaughan <tgvaughan@gmail.com>
Date: Sat, 3 Dec 2016 00:52:58 +0000 (+1300)
Subject: Added NOT and fixed PROCEDURE?
X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?a=commitdiff_plain;h=f675338306652fc8accf3c5ba154b915d0d24cdc;p=scheme.forth.jl.git

Added NOT and fixed PROCEDURE?
---

diff --git a/src/scheme-library.scm b/src/scheme-library.scm
index 8260f90..faa9288 100644
--- a/src/scheme-library.scm
+++ b/src/scheme-library.scm
@@ -82,6 +82,10 @@
 (define exact? #t)
 (define inexact? #t)
 
+; Logic
+
+(define (not x) (if x #f #t))
+
 ;; LISTS
 
 (define (list . args) args)
diff --git a/src/scheme-primitives.4th b/src/scheme-primitives.4th
index 9203f71..934c80e 100644
--- a/src/scheme-primitives.4th
+++ b/src/scheme-primitives.4th
@@ -29,7 +29,13 @@
 ; 1 make-fa-primitive pair?
 
 :noname ( args -- boolobj )
-    primitive-proc-type istype? -rot 2drop boolean-type
+    primitive-proc-type istype? if
+        true
+    else
+        compound-proc-type istype?
+    then
+        
+    -rot 2drop boolean-type
 ; 1 make-fa-primitive procedure?
 
 \ }}}