From 161a8e6a768679bde7054fef96dcbb936c866151 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Tue, 12 Nov 2019 22:27:49 +0300
Subject: Add add constructor and remove comparison for path_name_value class

---
 libbutl/path.ixx |  8 ++++----
 libbutl/path.mxx | 29 +++++++++--------------------
 2 files changed, 13 insertions(+), 24 deletions(-)

diff --git a/libbutl/path.ixx b/libbutl/path.ixx
index e7000ca..b91102a 100644
--- a/libbutl/path.ixx
+++ b/libbutl/path.ixx
@@ -707,14 +707,14 @@ LIBBUTL_MODEXPORT namespace butl //@@ MOD Clang needs this for some reason.
   template <typename P>
   inline basic_path_name_value<P>::
   basic_path_name_value (basic_path_name_value&& p)
-      : basic_path_name_value (std::move (p.path_), std::move (p.name))
+      : basic_path_name_value (std::move (p.path), std::move (p.name))
   {
   }
 
   template <typename P>
   inline basic_path_name_value<P>::
   basic_path_name_value (const basic_path_name_value& p)
-      : basic_path_name_value (p.path_, p.name)
+      : basic_path_name_value (p.path, p.name)
   {
   }
 
@@ -724,7 +724,7 @@ LIBBUTL_MODEXPORT namespace butl //@@ MOD Clang needs this for some reason.
   {
     if (this != &p)
     {
-      path_ = std::move (p.path_);
+      path = std::move (p.path);
       this->name = std::move (p.name);
     }
 
@@ -737,7 +737,7 @@ LIBBUTL_MODEXPORT namespace butl //@@ MOD Clang needs this for some reason.
   {
     if (this != &p)
     {
-      path_ = p.path_;
+      path = p.path;
       this->name = p.name;
     }
 
diff --git a/libbutl/path.mxx b/libbutl/path.mxx
index 2374fb5..4ed6989 100644
--- a/libbutl/path.mxx
+++ b/libbutl/path.mxx
@@ -1382,35 +1382,24 @@ LIBBUTL_MODEXPORT namespace butl
     using path_type = typename base::path_type;
     using string_type = typename base::string_type;
 
+    path_type path;
+
     explicit
     basic_path_name_value (path_type p, optional<string_type> n = nullopt)
-        : base (&path_, std::move (n)), path_ (std::move (p)) {}
-
-    int
-    compare (const basic_path_name_value& x) const
-    {
-      if (int r = path_.compare (x.path_))
-        return r;
+        : base (&path, std::move (n)), path (std::move (p)) {}
 
-      return this->name < x.name ? -1 : this->name > x.name ? 1 : 0;
-    }
+    // Note that a NULL path is converted to empty path.
+    //
+    explicit
+    basic_path_name_value (const basic_path_name<P>& v)
+        : base (&path, v.name),
+          path (v.path != nullptr ? *v.path : path_type ()) {}
 
     basic_path_name_value (basic_path_name_value&&);
     basic_path_name_value (const basic_path_name_value&);
     basic_path_name_value& operator= (basic_path_name_value&&);
     basic_path_name_value& operator= (const basic_path_name_value&);
-
-  private:
-    P path_;
   };
-
-  template <typename P>
-  inline bool
-  operator< (const basic_path_name_value<P>& x,
-             const basic_path_name_value<P>& y)
-  {
-    return x.compare (y) < 0;
-  }
 }
 
 LIBBUTL_MODEXPORT namespace std
-- 
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