Finished Pretty Print function

pkg/shsh/debug.go

@@ -1,7 +1,7 @@
 package shsh
 
 import (
-    "collections"
+    "strings"
 )
 
 func FmtToken(arg *Token) string {
@@ -39,17 +39,17 @@ func PrintSExpression(arg *Token) {
     lists.push(arg)
 
 loop:
-    // string builder?
+    var constructor strings.Builder
     i := lists.pop()
     if i == nil {
         goto done
     }
 
     for (iter := i; iter != nil; iter = i.next {
-        // add each string to string builder?
+        constructor.WriteString(FmtToken(iter))
     }
 
-    // print stringbuilder?
+    print(constructor.String())
     goto loop
 
 done: