Add function machinery, implement path.normalize()

Note that multi-argument functions are not yet "callable" since there is
no support for value packs.

1 files changed, 8 insertions, 1 deletions

diff --git a/build2/variable.ixx b/build2/variable.ixx
index d054dd4..1e9dfe6 100644
--- a/build2/variable.ixx
+++ b/build2/variable.ixx
@@ -18,7 +18,7 @@ namespace build2
   }
 
   inline value::
-  value (names&& ns)
+  value (names ns)
       : type (nullptr), null (false), extra (0)
   {
     new (&data_) names (move (ns));
@@ -227,6 +227,13 @@ namespace build2
     return value_traits<T>::convert (move (l), &r);
   }
 
+  template <typename T>
+  inline T
+  convert (names&& ns)
+  {
+    return value_traits<T>::convert (move (ns));
+  }
+
   // bool value
   //
   inline void value_traits<bool>::