[lang-ref] ( dict_loop_by_key_value_pair ) ( cpp )

TEST(DictLoop, DictLoopByKeyValuePair) {
	// for (string& item: items)
	map<string, int> d = { { "A", 1 }, { "B", 2 }, { "C", 3 } };

	string r;
	for (const auto& kv : d) {
		const string& k = kv.first;
		int v = kv.second;
		r += k + to_string(v) + ",";
	}

	EXPECT_EQ(r, "A1,B2,C3,");
}