From 3a160a80c788d81e48acf19a2cf68f29cf125dae Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 25 Jan 2024 18:52:59 +0300
Subject: Turn libodb-mysql repository into package for muti-package repository

---
 libodb-mysql/odb/mysql/details/conversion.hxx | 58 +++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 libodb-mysql/odb/mysql/details/conversion.hxx

(limited to 'libodb-mysql/odb/mysql/details/conversion.hxx')

diff --git a/libodb-mysql/odb/mysql/details/conversion.hxx b/libodb-mysql/odb/mysql/details/conversion.hxx
new file mode 100644
index 0000000..5d1f575
--- /dev/null
+++ b/libodb-mysql/odb/mysql/details/conversion.hxx
@@ -0,0 +1,58 @@
+// file      : odb/mysql/details/conversion.hxx
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_MYSQL_DETAILS_CONVERSION_HXX
+#define ODB_MYSQL_DETAILS_CONVERSION_HXX
+
+#include <odb/mysql/traits.hxx>
+
+#include <odb/details/meta/answer.hxx>
+
+namespace odb
+{
+  // @@ Revise this.
+  //
+  namespace details {}
+
+  namespace mysql
+  {
+    namespace details
+    {
+      using namespace odb::details;
+
+      // Detect whether conversion is specified in type_traits.
+      //
+      template <typename T>
+      meta::yes
+      conversion_p_test (typename type_traits<T>::conversion*);
+
+      template <typename T>
+      meta::no
+      conversion_p_test (...);
+
+      template <typename T>
+      struct conversion_p
+      {
+        static const bool value =
+          sizeof (conversion_p_test<T> (0)) == sizeof (meta::yes);
+      };
+
+      template <typename T, bool = conversion_p<T>::value>
+      struct conversion;
+
+      template <typename T>
+      struct conversion<T, true>
+      {
+        static const char* to () {return type_traits<T>::conversion::to ();}
+      };
+
+      template <typename T>
+      struct conversion<T, false>
+      {
+        static const char* to () {return 0;}
+      };
+    }
+  }
+}
+
+#endif // ODB_MYSQL_DETAILS_CONVERSION_HXX
-- 
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