From 1f217e38f7507758da1d33d46e675e801621aa38 Mon Sep 17 00:00:00 2001
From: Michael Shepanski <michael@codesynthesis.com>
Date: Thu, 30 Oct 2014 15:21:32 +1100
Subject: Allow lambdas & std::functions as query factories with C++-98 builds
 of libodb

---
 odb/details/function-wrapper.ixx | 47 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 odb/details/function-wrapper.ixx

(limited to 'odb/details/function-wrapper.ixx')

diff --git a/odb/details/function-wrapper.ixx b/odb/details/function-wrapper.ixx
new file mode 100644
index 0000000..58ede04
--- /dev/null
+++ b/odb/details/function-wrapper.ixx
@@ -0,0 +1,47 @@
+// file      : odb/details/function-wrapper.ixx
+// copyright : Copyright (c) 2009-2014 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+namespace odb
+{
+  namespace details
+  {
+    template <typename F>
+    inline function_wrapper<F>::
+    ~function_wrapper ()
+    {
+      if (deleter != 0)
+        deleter (std_function);
+    }
+
+    template <typename F>
+    inline function_wrapper<F>::
+    function_wrapper (F* f)
+        : function (f), deleter (0), std_function (0)
+    {
+    }
+
+    template <typename F>
+    inline function_wrapper<F>::
+    function_wrapper (const function_wrapper<F>& x)
+        : function (0), deleter (0), std_function (0)
+    {
+      swap (const_cast<function_wrapper<F>&> (x));
+    }
+
+    template <typename F>
+    inline function_wrapper<F>& function_wrapper<F>::
+    operator= (const function_wrapper<F>& x)
+    {
+      swap (const_cast<function_wrapper<F>&> (x));
+      return *this;
+    }
+
+    template <typename F>
+    inline function_wrapper<F>::
+    operator bool_convertible () const
+    {
+      return function != 0 ? &function_wrapper<F>::true_value : 0;
+    }
+  }
+}
-- 
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