shithub: femtolisp

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fix part of #53, assertion failure in print_traverse

--- a/print.c

+++ b/print.c

@@ -89,6 +89,9 @@

         for(i=0; i < vector_size(v); i++)

             print_traverse(vector_elt(v,i));

     }

+    else if (iscprim(v)) {

+        // don't consider shared references to e.g. chars

+    }

     else if (isclosure(v)) {

         mark_cons(v);

         function_t *f = (function_t*)ptr(v);

--- a/tests/unittest.lsp

+++ b/tests/unittest.lsp

@@ -292,5 +292,14 @@

 (assert (equal? 1.0 (* 1.0 1))) ; tests that * no longer does inexact->exact

+(define (with-output-to-string nada thunk)

+  (let ((b (buffer)))

+    (with-output-to b (thunk))

+    (io.tostring! b)))

+

+(let ((c #\a))

+  (assert (equal? (with-output-to-string #f (lambda () (print (list c c))))

+                  "(#\\a #\\a)")))

+

 (princ "all tests pass\n")

 #t