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Updated documentation; fixed optional::swap
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@ -314,6 +314,35 @@ void test_move_ctor_from_optional_U()
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BOOST_CHECK(b2->val == 4);
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}
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void test_swap()
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{
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optional<MoveOnly> a((MoveOnly(2)));
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optional<MoveOnly> b((MoveOnly(3)));
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swap(a, b);
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BOOST_CHECK(a->val == 3);
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BOOST_CHECK(b->val == 2);
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}
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void test_optional_ref_to_movables()
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{
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MoveOnly m(3);
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optional<MoveOnly&> orm = m;
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orm->val = 2;
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BOOST_CHECK(m.val == 2);
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optional<MoveOnly&> orm2 = orm;
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orm2->val = 1;
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BOOST_CHECK(m.val == 1);
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BOOST_CHECK(orm->val == 1);
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optional<MoveOnly&> orm3 = boost::move(orm);
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orm3->val = 4;
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BOOST_CHECK(m.val == 4);
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BOOST_CHECK(orm->val == 4);
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BOOST_CHECK(orm2->val == 4);
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}
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// these 4 classes have different noexcept signatures in move operations
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struct NothrowBoth {
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NothrowBoth(NothrowBoth&&) BOOST_NOEXCEPT_IF(true) {};
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@ -370,6 +399,8 @@ int test_main( int, char* [] )
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test_move_assign_from_optional_T();
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test_move_assign_from_optional_U();
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test_with_move_only();
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test_optional_ref_to_movables();
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test_swap();
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#endif
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}
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catch ( ... )
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