From fa313152767ae60941987450268f9562e1d59d42 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Fri, 8 Nov 2019 00:17:11 +0300
Subject: Add path_name_value struct

---
 libbutl/path-io.mxx | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libbutl/path-io.mxx')

diff --git a/libbutl/path-io.mxx b/libbutl/path-io.mxx
index 54d884b..5a91dac 100644
--- a/libbutl/path-io.mxx
+++ b/libbutl/path-io.mxx
@@ -8,6 +8,8 @@
 
 // C includes.
 
+#include <cassert>
+
 #ifndef __cpp_lib_modules_ts
 #include <ostream>
 #endif
@@ -45,6 +47,8 @@ LIBBUTL_MODEXPORT namespace butl
   inline std::basic_ostream<C>&
   operator<< (std::basic_ostream<C>& os, const basic_path_name<P>& pn)
   {
+    assert (!pn.empty ());
+
     return os << (pn.name ? *pn.name : pn.path->string ());
   }
 }
-- 
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