From b1715878d50aa8a3c3e2404f3ded120329994aba Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 30 Mar 2015 14:16:54 +0200
Subject: Initial support for command line variables

---
 build/token | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'build/token')

diff --git a/build/token b/build/token
index f7e45dc..7b0223b 100644
--- a/build/token
+++ b/build/token
@@ -6,6 +6,7 @@
 #define BUILD_TOKEN
 
 #include <string>
+#include <iosfwd>
 #include <cstddef> // size_t
 #include <cstdint> // uint64_t
 #include <cassert>
@@ -61,6 +62,11 @@ namespace build
     std::uint64_t l_;
     std::uint64_t c_;
   };
+
+  // Output the token value in a format suitable for diagnostics.
+  //
+  std::ostream&
+  operator<< (std::ostream&, const token&);
 }
 
 #endif // BUILD_TOKEN
-- 
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