From 18568ff0ff3dce89d694b494c5dfc9a32e63c9e6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 26 Jun 2015 17:25:10 +0200
Subject: Part two of dependency injection with auto-generation support

---
 build/target | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'build/target')

diff --git a/build/target b/build/target
index 1de521e..8161438 100644
--- a/build/target
+++ b/build/target
@@ -35,6 +35,9 @@ namespace build
   //
   enum class target_state {unknown, postponed, unchanged, changed, failed};
 
+  std::ostream&
+  operator<< (std::ostream&, target_state);
+
   // Recipe.
   //
   // The returned target state should be changed, unchanged, or
-- 
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