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#include <cassert>
#include <rfl.hpp>
#include <rfl/json.hpp>
#include <string>
#include <type_traits>
#include "write_and_read.hpp"
namespace test_apply {
struct Person {
std::string first_name;
std::string last_name;
int age;
};
TEST(json, test_apply) {
auto lisa = Person{.first_name = "Lisa", .last_name = "Simpson", .age = 8};
const auto view = rfl::to_view(lisa);
*view.get<0>() = "Maggie";
*std::get<1>(view.values()) = "Simpson";
*view.get<"age">() = 0;
view.apply([]<typename Field>(const Field& field) {
using field_type = std::remove_pointer_t<typename Field::Type>;
if constexpr (Field::name() == "age") {
static_assert(std::is_same_v<field_type, int>);
} else {
static_assert(std::is_same_v<field_type, std::string>);
}
});
rfl::to_view(lisa).apply([](auto field) mutable {
if constexpr (decltype(field)::name() == "first_name") {
*field.value() = "Bart";
}
});
write_and_read(lisa,
R"({"first_name":"Bart","last_name":"Simpson","age":0})");
}
} // namespace test_apply
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