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/variable.hxx | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

(limited to 'build2/variable.hxx')

diff --git a/build2/variable.hxx b/build2/variable.hxx
index f9b8b3c..401cc77 100644
--- a/build2/variable.hxx
+++ b/build2/variable.hxx
@@ -820,7 +820,6 @@ namespace build2
     static const build2::value_type value_type;
   };
 
-
   // target_triplet
   //
   template <>
@@ -841,6 +840,27 @@ namespace build2
     static const build2::value_type value_type;
   };
 
+  // project_name
+  //
+  template <>
+  struct value_traits<project_name>
+  {
+    static_assert (sizeof (project_name) <= value::size_,
+                   "insufficient space");
+
+    static project_name convert (name&&, name*);
+    static void assign (value&, project_name&&);
+    static name reverse (const project_name& x) {return name (x.string ());}
+    static int compare (const project_name& x, const project_name& y) {
+      return x.compare (y);}
+    static bool empty (const project_name& x) {return x.empty ();}
+
+    static const bool empty_value = true;
+    static const project_name& empty_instance;
+    static const char* const type_name;
+    static const build2::value_type value_type;
+  };
+
   // vector<T>
   //
   template <typename T>
-- 
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