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clean-up ostream operator

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This commit is contained in:
neargye 2019-08-19 03:19:30 +05:00
parent f5ef718120
commit 777792339c
2 changed files with 9 additions and 11 deletions
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8
include/magic_enum.hpp
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@ -394,13 +394,7 @@ std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& o
static_assert(detail::check_enum_v<E, D>, "magic_enum::ostream_operators::operator<< requires enum type.");
if (value.has_value()) {
if (auto name = detail::name_impl<D>(value.value()); !name.empty()) {
for (auto c : name) {
os.put(c);
}
} else {
os << static_cast<std::underlying_type_t<D>>(value.value());
}
os << value.value();
}
return os;

12
test/test.cpp
View file

@ -299,28 +299,32 @@ TEST_CASE("ostream_operators") {
REQUIRE(ss.str() == name);
};
test_ostream(Color::RED, "RED");
test_ostream(std::make_optional(Color::RED), "RED");
test_ostream(Color::GREEN, "GREEN");
test_ostream(Color::BLUE, "BLUE");
test_ostream(static_cast<Color>(0), "0");
test_ostream(std::make_optional(static_cast<Color>(0)), "0");
test_ostream(Numbers::one, "one");
test_ostream(std::make_optional(Numbers::one), "one");
test_ostream(Numbers::two, "two");
test_ostream(Numbers::three, "three");
test_ostream(Numbers::many, "127");
test_ostream(static_cast<Numbers>(0), "0");
test_ostream(std::make_optional(static_cast<Numbers>(0)), "0");
test_ostream(Directions::Up, "Up");
test_ostream(std::make_optional(Directions::Up), "Up");
test_ostream(Directions::Down, "Down");
test_ostream(Directions::Right, "Right");
test_ostream(Directions::Left, "Left");
test_ostream(static_cast<Directions>(0), "0");
test_ostream(std::make_optional(static_cast<Directions>(0)), "0");
test_ostream(number::one, "one");
test_ostream(std::make_optional(number::one), "one");
test_ostream(number::two, "two");
test_ostream(number::three, "three");
test_ostream(number::four, "400");
test_ostream(static_cast<number>(0), "0");
test_ostream(std::make_optional(static_cast<number>(0)), "0");
}
TEST_CASE("bitwise_operators") {