Clean up

1 files changed, 27 insertions, 0 deletions

diff --git a/samples/list.slam b/samples/list.slam
new file mode 100644
index 0000000..c0fa5da
--- /dev/null
+++ b/samples/list.slam
@@ -0,0 +1,27 @@
+define prepend
+    $prepend_val !
+    $prepend_phrase !
+    '[ $prepend_val @ $prepend_phrase @ unphrase '] phrase
+    $prepend_val forget $prepend_phrase forget
+    ;
+
+define append
+    $append_val !
+    $append_phrase !
+    '[ $append_phrase @ unphrase $append_val @ '] phrase
+    $append_val forget $append_phrase forget
+    ;
+
+define stack-empty? stack-size 0 eq? ;
+
+define ..
+    [ stack-empty? not ]
+        [ . ] loop
+    ;
+
+[ 2 3 ] 1 prepend .
+[ 2 3 ] 4 append .
+[ 1 2 3 ] pop $1 ! pop $2 ! pop $3 !
+$1 ?
+$2 ?
+$3 ?