Moved write to header, added read, seperated test and started using flint

test/src/test.cpp

@@ -0,0 +1,61 @@
+#include <io.h>
+
+#include <vector>
+#include <array>
+#include <fstream>
+
+struct A {
+	int b;
+};
+
+namespace io {
+	template <>
+	void write(std::ostream& os, A value) {
+		write<int>(os, value.b);
+	}
+
+	template <>
+	A read(std::istream& is) {
+		return A{read<int>(is)};
+	}
+}
+
+int main() {
+	{
+		std::ofstream f("test.bin");
+		io::write(f, 80085);
+		io::write<size_t>(f, 123456);
+
+		io::write(f, "test");
+
+		std::array<char, 2> a = {'a', 'b'};
+		io::write(f, a);
+
+		std::array<std::string, 2> b = {"Hello", "World"};
+		io::write(f, b);
+
+		io::write(f, A{4});
+	}
+
+	{
+		std::ifstream f("test.bin");
+		std::cout << io::read<int>(f) << '\n';
+		std::cout << io::read<size_t>(f) << '\n';
+		std::cout << io::read<std::string>(f) << '\n';
+
+		// auto v = io::read<std::array<char, 2>>(f);
+		auto a = io::read<std::vector<char>>(f);
+		for (auto& v : a) {
+			std::cout << v << ' ';
+		}
+		std::cout << '\n';
+
+		auto b = io::read<std::vector<std::string>>(f);
+		for (auto& v : b) {
+			std::cout << v << ' ';
+		}
+		std::cout << '\n';
+
+		std::cout << io::read<A>(f).b << '\n';
+	}
+}