initial commit

ptr.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <cstddef>
+
+/**
+ * Python doesn't have a pointer type, therefore we create a pointer wrapper
+ * see https://stackoverflow.com/questions/48982143/returning-and-passing-around-raw-pod-pointers-arrays-with-python-c-and-pyb?rq=1
+ */
+template <typename T>
+class ptr {
+public:
+    ptr() : p(nullptr) {}
+    ptr(T* p) : p(p) {}
+    ptr(std::size_t p) : p((T*)p) {}
+    ptr(const ptr& other) : ptr(other.p) {}
+    T* operator->() const { return p; }
+    T* get() const { return p; }
+    void destroy() { delete p; }
+    bool is_null() const { return p == nullptr; }
+    size_t as_size_t() const {return (size_t)p;}
+private:
+    T* p;
+};