From: Akim Demaille <akim@lrde.epita.fr>
Date: Thu, 19 Sep 2013 13:20:22 +0000 (+0200)
Subject: examples: improve the output of the "variant" example
X-Git-Tag: v3.0.1~29
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/b51cf830a6cb513ca8e357321307997672d6d6b0

examples: improve the output of the "variant" example

* examples/variant.yy: Improve the printing of lists.
---

diff --git a/examples/variant.yy b/examples/variant.yy
index 9413cbcf..fd551cc1 100644
--- a/examples/variant.yy
+++ b/examples/variant.yy
@@ -16,7 +16,7 @@
 */
 
 %debug
-%skeleton "lalr1.cc"
+%language "c++"
 %defines
 %define api.token.constructor
 %define api.value.type variant
@@ -48,11 +48,17 @@ typedef std::list<std::string> strings_type;
   namespace std
   {
     std::ostream&
-    operator<< (std::ostream& o, const strings_type& s)
+    operator<< (std::ostream& o, const strings_type& ss)
     {
-      std::copy (s.begin (), s.end (),
-                 std::ostream_iterator<strings_type::value_type> (o, "\n"));
-      return o;
+      o << "(" << &ss << ") {";
+      const char *sep = "";
+      for (strings_type::const_iterator i = ss.begin(), end = ss.end();
+           i != end; ++i)
+        {
+          o << sep << *i;
+          sep = ", ";
+        }
+      return o << "}";
     }
   }