allow nullptr string values (closes #138)
diff --git a/example/example14.py b/example/example14.py
index aef9923..08f5d46 100644
--- a/example/example14.py
+++ b/example/example14.py
@@ -4,6 +4,8 @@
sys.path.append('.')
from example import StringList, print_opaque_list
+from example import return_void_ptr, print_void_ptr
+from example import return_null_str, print_null_str
l = StringList()
l.push_back("Element 1")
@@ -13,6 +15,7 @@
l.pop_back()
print_opaque_list(l)
-from example import return_void_ptr, print_void_ptr
-
print_void_ptr(return_void_ptr())
+
+print(return_null_str())
+print_null_str(return_null_str())