C++ linker presentation

cpplinker/06_c_interop/wrapper.cpp

@@ -0,0 +1,24 @@
+#include "wrapper.h"
+#include <vector>
+
+extern "C" {
+void vec_create(void** out) {
+    *out = new std::vector<double>();
+}
+
+void vec_destroy(void* vec) {
+    delete static_cast<std::vector<double>*>(vec);
+}
+
+void vec_push(void* vec, double val) {
+    static_cast<std::vector<double>*>(vec)->push_back(val);
+}
+
+double vec_get(void* vec, int idx) {
+    return (*static_cast<std::vector<double>*>(vec))[idx];
+}
+
+int vec_size(void* vec) {
+    return static_cast<std::vector<double>*>(vec)->size();
+}
+}