C++ iterators are absolute retarded shite. Their ```design""" makes no sense.

Fortune for rngxx's current commit: Future curse − 末凶

include/rngxx.hpp

@@ -59,6 +59,7 @@ struct Random
 {
 	template<typename T>
 	struct iterator { //TODO: Implement this in another file (has to be header because of template :/)
+		//XXX: C++ iterators are absolute jank. This is far harder than it should be.
 		friend class Random;
 
 		//TODO: Make this work with foreach(), and STL iterator APIs somehow
@@ -70,6 +71,15 @@ struct Random
 
 		inline virtual ~iterator(){}
 
+		inline T next() { return _sample(); }
+
+		inline iterator& operator++() { return *this; }
+		inline iterator& operator++(int) { return *this; }
+
+		inline T operator*() { return next(); }
+		
+		friend auto operator<=>(const iterator<T>&, const iterator<T>&) = default;
+
 	protected:
 		virtual T _sample() { if (LIKELY(rng)) return rng->next<T>(); else throw ObjectMoved(); }
 		virtual inline void _init() {}
@@ -165,7 +175,7 @@ struct Random
 	inline T next(T max);
 
 	template<typename T>
-	inline iterator<T> iter() { return iterator(*this); }  //TODO: An iterator that yields `next<T>()` forever.
+	inline iterator<T> iter() { return iterator<T>(*this); }  //TODO: An iterator that yields `next<T>()` forever.
 
 	template<typename T>
 	constexpr inline T max_for() const;

src/iter.cpp

@@ -0,0 +1,10 @@
+#include <rngxx.hpp>
+
+//XXX: Doing this is not going to work ...
+#if 0
+void t(Random& r)
+{	
+	for(auto&& i : r.iter<int>()) (void)i;
+}
+#endif
+

src/test/main.c

@@ -6,6 +6,7 @@
 #define _RNGXX_INLINE_ONLY
 #include <rngxx.h>
 
+
 static int next(rng_t* rng, const int* min, const int* max)
 {
 	int output;
@@ -68,5 +69,6 @@ int main()
 	printf("\n");
 
 	rng_free(engine);
+
 	return 0;
 }

src/test/test.cpp

@@ -0,0 +1,17 @@
+#include <fmt/format.h>
+#include <rngxx.hpp>
+#include <rngxx/crand.h>
+
+void iter(Random& rng)
+{
+	for(auto&& i : rng.iter<int>())
+		fmt::print("{} ", i);
+}
+
+extern "C" {
+	void cpp_test()
+	{
+		auto random = new rng::crand(100);
+		iter(random);
+	}
+}