[Docs] Refactor and extend structs, unions, enums, function pointer documentation in language basics userguide (#5082)

1 files changed, 9 insertions, 0 deletions

diff --git a/docs/examples/userguide/language_basics/function_pointer_struct.pyx b/docs/examples/userguide/language_basics/function_pointer_struct.pyx
new file mode 100644
index 000000000..5ef618961
--- /dev/null
+++ b/docs/examples/userguide/language_basics/function_pointer_struct.pyx
@@ -0,0 +1,9 @@
+cdef struct Bar:
+    int sum(int a, int b)
+
+cdef int add(int a, int b):
+    return a + b
+
+cdef Bar bar = Bar(add)
+
+print(bar.sum(1, 2))