# HG changeset patch
# User Henry S Thompson <ht@inf.ed.ac.uk>
# Date 1737128636 0
# Node ID eb91fd5d49b302e4108106e22102c5e0b2b5405c
# Parent  eb4be545fcc84ae3f12046cd3a3eaa71e9a47b97
minimally changed to get Cython Queue example working, Cython version

diff -r eb4be545fcc8 -r eb91fd5d49b3 cy_works/cqu.pxd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cy_works/cqu.pxd	Fri Jan 17 15:43:56 2025 +0000
@@ -0,0 +1,17 @@
+cdef extern from "c-algorithms/src/queue.h":
+    ctypedef struct Queue:
+        pass
+    ctypedef void* QueueValue
+
+    Queue* queue_new()
+    void queue_free(Queue* queue)
+
+    int queue_push_head(Queue* queue, QueueValue data)
+    QueueValue  queue_pop_head(Queue* queue)
+    QueueValue queue_peek_head(Queue* queue)
+
+    int queue_push_tail(Queue* queue, QueueValue data)
+    QueueValue queue_pop_tail(Queue* queue)
+    QueueValue queue_peek_tail(Queue* queue)
+
+    bint queue_is_empty(Queue* queue)
diff -r eb4be545fcc8 -r eb91fd5d49b3 cy_works/qu.pyx
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cy_works/qu.pyx	Fri Jan 17 15:43:56 2025 +0000
@@ -0,0 +1,24 @@
+# distutils: sources = c-algorithms/src/queue.c
+# distutils: include_dirs = c-algorithms/src/
+
+cimport cqu
+
+cdef class Queue:
+    cdef cqu.Queue* _c_queue
+
+    def __cinit__(self):
+        self._c_queue = cqu.queue_new()
+        if self._c_queue == NULL:
+            raise MemoryError()
+
+    def __dealloc__(self):
+        if self._c_queue != NULL:
+            cqu.queue_free(self._c_queue)
+
+cdef testMe():
+    print('testing...')
+    q = Queue()
+    print(cqu.queue_is_empty(q._c_queue))
+    print('tested')
+
+testMe()
diff -r eb4be545fcc8 -r eb91fd5d49b3 cy_works/setup.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cy_works/setup.py	Fri Jan 17 15:43:56 2025 +0000
@@ -0,0 +1,6 @@
+from setuptools import Extension, setup
+from Cython.Build import cythonize
+
+setup(
+    ext_modules = cythonize([Extension("qu", ["qu.pyx"])])
+)