Code for defining C++ backend for tree algorithms.

pydatastructs/trees/_backend/cpp/tree_algorithms.cpp

@@ -0,0 +1,31 @@
+#include <Python.h>
+#include "trees.hpp" // Header file containing C++ implementations of wrapper functions of tree data structures
+
+// Method definitions
+static PyMethodDef trees_PyMethodDef[] = {
+    {"binary_tree", (PyCFunction) binary_tree, METH_VARARGS, ""},
+    // Add method definitions for other tree data structures over here.
+    {NULL, NULL, 0, NULL}        /* Sentinel */
+};
+
+// Sentinel info: 
+// The sentinel entry {NULL, NULL, 0, NULL} is used to indicate the end of the method definition array. 
+// When the Python interpreter processes this array, it stops iterating over the array when it encounters this sentinel entry.
+
+// Module structure
+static struct PyModuleDef trees_module = {
+    PyModuleDef_HEAD_INIT,
+    "_trees",
+    NULL,
+    -1,
+    trees_PyMethodDef
+};
+
+// Module initialization function
+PyMODINIT_FUNC PyInit__trees(void) {
+    PyObject *module;
+    module = PyModule_Create(&trees_module);
+    if (module == NULL)
+        return NULL;
+    return module;
+}