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style: add comment to test::operator<<

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ToruNiina 2019-09-28 12:07:53 +09:00
parent b44fbad925
commit e4b4503b81
1 changed files with 5 additions and 0 deletions
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5
tests/test_get_or.cpp
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@ -25,6 +25,11 @@ using test_value_types = std::tuple<
namespace test
{
// to compare result values in BOOST_TEST().
//
// BOOST_TEST outputs the expected and actual values. Thus it includes the
// output stream operator inside. To compile it, we need operator<<s for
// containers to compare.
template<typename charT, typename traits, typename T, typename Alloc>
std::basic_ostream<charT, traits>&
operator<<(std::basic_ostream<charT, traits>& os, const std::vector<T, Alloc>& v)