diff --git a/binary_output/binary_output.hpp b/binary_output/binary_output.hpp
index f45ddd1..34a27ac 100644
--- a/binary_output/binary_output.hpp
+++ b/binary_output/binary_output.hpp
@@ -7,19 +7,19 @@
 
 // Normal
 template <typename T>
-struct binary{
+struct binary {
 	T thing;
-	binary(T const t):thing(t){}
-	binary(binary const& c):thing(c.thing){}
+	binary(T const t):thing(t) {}
+	binary(binary const& c):thing(c.thing) {}
 };
 
 template <typename T>
-binary<T> make_binary(T const t){
+binary<T> make_binary(T const t) {
 	return binary<T>(t);
 }
 
 template <typename T>
-std::ostream& operator<<(std::ostream& out, binary<T> const& rhs){
+std::ostream& operator<<(std::ostream& out, binary<T> const& rhs) {
 	static_assert(std::is_pod<T>::value, "Please specialise this function if your type is not POD");
 	static_assert(!std::is_pointer<T>::value, "Writing pointer");
 	out.write(reinterpret_cast<const char*>(&(rhs.thing)), sizeof(rhs.thing));
@@ -27,21 +27,22 @@ std::ostream& operator<<(std::ostream& out, binary<T> const& rhs){
 }
 
 // Array
+// NOTE: it uses references...
 template <typename T, size_t N>
-struct binary_arr{
-	T const (& thing)[N];
-	binary_arr(const T (& t)[N]):thing(t){}
-	binary_arr(binary_arr const& c):thing(c.thing){}
+struct binary_arr {
+	T const(& thing)[N];
+	binary_arr(const T(& t)[N]):thing(t) {}
+	binary_arr(binary_arr const& c):thing(c.thing) {}
 };
 
 template <typename T, size_t N>
-binary_arr<T, N> make_binary(const T (& t)[N]){
+binary_arr<T, N> make_binary(const T(& t)[N]) {
 	static_assert(N>=0, "lijp");
 	return binary_arr<T, N>(t);
 }
 
 template <typename T, size_t N>
-std::ostream& operator<<(std::ostream& out, binary_arr<T, N> const& rhs){
+std::ostream& operator<<(std::ostream& out, binary_arr<T, N> const& rhs) {
 	static_assert(std::is_pod<T>::value, "Please specialise this function if your type is not POD");
 	static_assert(!std::is_pointer<T>::value, "Writing pointer");
 	out.write(reinterpret_cast<const char*>(&(rhs.thing)), sizeof(rhs.thing));
diff --git a/binary_output/main.cpp b/binary_output/main.cpp
index 5b77412..75e669c 100644
--- a/binary_output/main.cpp
+++ b/binary_output/main.cpp
@@ -1,9 +1,9 @@
 #include <iostream>
 #include "binary_output.hpp"
 
-int main(){
+int main() {
 	std::cout << make_binary(1684234849) << std::endl;
 	std::cout << make_binary("A c-style array") << std::endl;
 
-    return 0;
+	return 0;
 }