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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_error_access.cpp
+68
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@@ -152,6 +152,8 @@ int main()
BOOST_TEST_EQ( (result<std::string, X>( "s" ).error().v_), 0 );
}
//
{
result<void> r;
@@ -208,5 +210,71 @@ int main()
BOOST_TEST_EQ( result<void>( ec ).error(), ec );
}
//
{
int x1 = 1;
result<int&> r( x1 );
BOOST_TEST( r.has_value() );
BOOST_TEST( !r.has_error() );
BOOST_TEST_EQ( r.error(), error_code() );
}
{
int x1 = 1;
result<int&> const r( x1 );
BOOST_TEST( r.has_value() );
BOOST_TEST( !r.has_error() );
BOOST_TEST_EQ( r.error(), error_code() );
}
{
int x1 = 1;
BOOST_TEST( result<int&>( x1 ).has_value() );
BOOST_TEST( !result<int&>( x1 ).has_error() );
BOOST_TEST_EQ( result<int&>( x1 ).error(), error_code() );
}
{
auto ec = make_error_code( errc::invalid_argument );
result<int&> r( ec );
BOOST_TEST( !r.has_value() );
BOOST_TEST( r.has_error() );
BOOST_TEST_EQ( r.error(), ec );
}
{
auto ec = make_error_code( errc::invalid_argument );
result<int&> const r( ec );
BOOST_TEST( !r.has_value() );
BOOST_TEST( r.has_error() );
BOOST_TEST_EQ( r.error(), ec );
}
{
auto ec = make_error_code( errc::invalid_argument );
BOOST_TEST( !result<int&>( ec ).has_value() );
BOOST_TEST( result<int&>( ec ).has_error() );
BOOST_TEST_EQ( result<int&>( ec ).error(), ec );
}
//
return boost::report_errors();
}