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git.proxmox.com Git - ceph.git/blob - ceph/src/boost/libs/optional/test/optional_test_fail3b.cpp
1 // Copyright (C) 2003, Fernando Luis Cacciola Carballal.
3 // Use, modification, and distribution is subject to the Boost Software
4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt)
7 // See http://www.boost.org/lib/optional for documentation.
9 // You are welcome to contact the author at:
10 // fernando_cacciola@hotmail.com
14 #include "boost/optional.hpp"
19 // THIS TEST SHOULD FAIL TO COMPILE
21 void test_no_unsupported_conversion()
23 boost::optional
<A
> opt1
;
24 boost::optional
<B
> opt2
;
25 opt2
= opt1
; // Cannot convert from "A" to "B"