From 197ac5950ea129b7b0dba4fd460b3b630d490fe1 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 27 Apr 2020 09:35:53 +0200
Subject: Add support for untyped assignment to value

---
 libbuild2/variable.hxx |  4 +++-
 libbuild2/variable.ixx | 16 ++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/libbuild2/variable.hxx b/libbuild2/variable.hxx
index 0eaf170..93f684b 100644
--- a/libbuild2/variable.hxx
+++ b/libbuild2/variable.hxx
@@ -344,6 +344,9 @@ namespace build2
     template <typename T> value& operator= (T);
     template <typename T> value& operator+= (T);
 
+    value& operator= (names);
+    value& operator+= (names);
+
     template <typename T> value& operator= (T* v) {
       return v != nullptr ? *this = *v : *this = nullptr;}
 
@@ -361,7 +364,6 @@ namespace build2
     void append  (names&&, const variable*);
     void prepend (names&&, const variable*);
 
-
     // Implementation details, don't use directly except in representation
     // type implementations.
     //
diff --git a/libbuild2/variable.ixx b/libbuild2/variable.ixx
index 4688d27..50cce78 100644
--- a/libbuild2/variable.ixx
+++ b/libbuild2/variable.ixx
@@ -101,6 +101,22 @@ namespace build2
     return *this;
   }
 
+  inline value& value::
+  operator= (names v)
+  {
+    assert (type == nullptr);
+    assign (move (v), nullptr);
+    return *this;
+  }
+
+  inline value& value::
+  operator+= (names v)
+  {
+    assert (type == nullptr);
+    append (move (v), nullptr);
+    return *this;
+  }
+
   inline void value::
   assign (name&& n, const variable* var)
   {
-- 
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