From d90ac405ae50f84a3cf4ba0b806cca1c89f81cff Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 26 Jul 2018 14:12:56 +0300
Subject: Make project variable to be of project_name type

---
 build2/utility.cxx | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

(limited to 'build2/utility.cxx')

diff --git a/build2/utility.cxx b/build2/utility.cxx
index 07cf88e..2d8e59b 100644
--- a/build2/utility.cxx
+++ b/build2/utility.cxx
@@ -254,13 +254,15 @@ namespace build2
     fail (loc) << "unable to execute " << args[0] << ": " << e << endf;
   }
 
-  const string   empty_string;
-  const path     empty_path;
-  const dir_path empty_dir_path;
-
-  const optional<string>   nullopt_string;
-  const optional<path>     nullopt_path;
-  const optional<dir_path> nullopt_dir_path;
+  const string       empty_string;
+  const path         empty_path;
+  const dir_path     empty_dir_path;
+  const project_name empty_project_name;
+
+  const optional<string>       nullopt_string;
+  const optional<path>         nullopt_path;
+  const optional<dir_path>     nullopt_dir_path;
+  const optional<project_name> nullopt_project_name;
 
   void
   append_options (cstrings& args, const lookup& l, const char* e)
-- 
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