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Add result<U&, E> specialization. Fixes #72.

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This commit is contained in:
Peter Dimov
2023-09-12 03:34:24 +03:00
parent a57c568324
commit 951b3fe7b4
22 changed files with 1808 additions and 4 deletions
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test/result_swap.cpp
+50
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@@ -259,5 +259,55 @@ int main()
BOOST_TEST_EQ( r2, r2c );
}
{
int x1 = 1;
int x2 = 2;
result<int&> r1( x1 ), r1c( r1 );
result<int&> r2( x2 ), r2c( r2 );
r1.swap( r2 );
BOOST_TEST_EQ( r1, r2c );
BOOST_TEST_EQ( r2, r1c );
swap( r1, r2 );
BOOST_TEST_EQ( r1, r1c );
BOOST_TEST_EQ( r2, r2c );
}
{
result<int&> r1( 1, generic_category() ), r1c( r1 );
result<int&> r2( 2, generic_category() ), r2c( r2 );
r1.swap( r2 );
BOOST_TEST_EQ( r1, r2c );
BOOST_TEST_EQ( r2, r1c );
swap( r1, r2 );
BOOST_TEST_EQ( r1, r1c );
BOOST_TEST_EQ( r2, r2c );
}
{
int x1 = 1;
result<int&> r1( x1 ), r1c( r1 );
result<int&> r2( 2, generic_category() ), r2c( r2 );
r1.swap( r2 );
BOOST_TEST_EQ( r1, r2c );
BOOST_TEST_EQ( r2, r1c );
swap( r1, r2 );
BOOST_TEST_EQ( r1, r1c );
BOOST_TEST_EQ( r2, r2c );
}
return boost::report_errors();
}