Implement allocator access utilities

test/allocator_pointer_test.cpp

@@ -0,0 +1,28 @@
+/*
+Copyright 2020 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#include <boost/core/allocator_access.hpp>
+#include <boost/core/is_same.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+
+struct A1 {
+    typedef char value_type;
+};
+
+struct A2 {
+    typedef char value_type;
+    typedef int* pointer;
+};
+
+int main()
+{
+    BOOST_TEST_TRAIT_TRUE((boost::core::is_same<char*,
+        boost::allocator_pointer<A1>::type>));
+    BOOST_TEST_TRAIT_TRUE((boost::core::is_same<int*,
+        boost::allocator_pointer<A2>::type>));
+    return boost::report_errors();
+}