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-rw-r--r--docs/examples/quickstart/cythonize/cdef_keyword.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/examples/quickstart/cythonize/cdef_keyword.py b/docs/examples/quickstart/cythonize/cdef_keyword.py
new file mode 100644
index 000000000..6c0ee3e68
--- /dev/null
+++ b/docs/examples/quickstart/cythonize/cdef_keyword.py
@@ -0,0 +1,4 @@
+@cython.cfunc
+@cython.exceptval(-2, check=True)
+def f(x: cython.double) -> cython.double:
+ return x ** 2 - x