Fix str.zfill() on empty string

exaloop · Jul 5, 2023 · c96b292 · c96b292
1 parent 6bb26e0
commit c96b292
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/stdlib/internal/str.codon b/stdlib/internal/str.codon
@@ -591,7 +591,7 @@ class str:
         fill = width - len(self)
         p = zf.ptr
 
-        if p[fill] == plus or p[fill] == minus:
+        if len(self) > 0 and p[fill] == plus or p[fill] == minus:
             p[0] = p[fill]
             p[fill] = zero