From 83f9fb169e5d9b9304e06237a747a30d3ea53458 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Tue, 5 Nov 2019 11:41:39 +1100
Subject: [PATCH] examples/natmod: Add uheapq example.

---
 examples/natmod/uheapq/Makefile | 13 +++++++++++++
 examples/natmod/uheapq/uheapq.c | 17 +++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 examples/natmod/uheapq/Makefile
 create mode 100644 examples/natmod/uheapq/uheapq.c

diff --git a/examples/natmod/uheapq/Makefile b/examples/natmod/uheapq/Makefile
new file mode 100644
index 000000000..55de3cc08
--- /dev/null
+++ b/examples/natmod/uheapq/Makefile
@@ -0,0 +1,13 @@
+# Location of top-level MicroPython directory
+MPY_DIR = ../../..
+
+# Name of module (different to built-in uheapq so it can coexist)
+MOD = uheapq_$(ARCH)
+
+# Source files (.c or .py)
+SRC = uheapq.c
+
+# Architecture to build for (x86, x64, armv7m, xtensa, xtensawin)
+ARCH = x64
+
+include $(MPY_DIR)/py/dynruntime.mk
diff --git a/examples/natmod/uheapq/uheapq.c b/examples/natmod/uheapq/uheapq.c
new file mode 100644
index 000000000..df880bd38
--- /dev/null
+++ b/examples/natmod/uheapq/uheapq.c
@@ -0,0 +1,17 @@
+#define MICROPY_ENABLE_DYNRUNTIME (1)
+#define MICROPY_PY_UHEAPQ (1)
+
+#include "py/dynruntime.h"
+
+#include "extmod/moduheapq.c"
+
+mp_obj_t mpy_init(mp_obj_fun_bc_t *self, size_t n_args, size_t n_kw, mp_obj_t *args) {
+    MP_DYNRUNTIME_INIT_ENTRY
+
+    mp_store_global(MP_QSTR___name__, MP_OBJ_NEW_QSTR(MP_QSTR_uheapq));
+    mp_store_global(MP_QSTR_heappush, MP_OBJ_FROM_PTR(&mod_uheapq_heappush_obj));
+    mp_store_global(MP_QSTR_heappop, MP_OBJ_FROM_PTR(&mod_uheapq_heappop_obj));
+    mp_store_global(MP_QSTR_heapify, MP_OBJ_FROM_PTR(&mod_uheapq_heapify_obj));
+
+    MP_DYNRUNTIME_INIT_EXIT
+}