From 8e761289a2446367267c6c0d9a26e734f0f78306 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Wed, 16 Dec 2020 20:29:05 +0300
Subject: Get rid of legacy build systems and rename cutl/ to libcutl/

---
 libcutl/meta/class-p.hxx | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 libcutl/meta/class-p.hxx

(limited to 'libcutl/meta/class-p.hxx')

diff --git a/libcutl/meta/class-p.hxx b/libcutl/meta/class-p.hxx
new file mode 100644
index 0000000..fc7a111
--- /dev/null
+++ b/libcutl/meta/class-p.hxx
@@ -0,0 +1,26 @@
+// file      : libcutl/meta/class-p.hxx
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef LIBCUTL_META_CLASS_HXX
+#define LIBCUTL_META_CLASS_HXX
+
+#include <libcutl/meta/answer.hxx>
+
+namespace cutl
+{
+  namespace meta
+  {
+    // g++ cannot have these inside class_p.
+    //
+    template <typename Y> no class_p_test (...);
+    template <typename Y> yes class_p_test (void (Y::*) ());
+
+    template <typename X>
+    struct class_p
+    {
+      static bool const r = sizeof (class_p_test<X> (0)) == sizeof (yes);
+    };
+  }
+}
+
+#endif // LIBCUTL_META_CLASS_HXX
-- 
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