use gnu23

1 files changed, 13 insertions, 0 deletions

diff --git a/docs/application/union.md b/docs/application/union.md
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+# Union
+
+---
+
+## Object Definitions
+
+```c
+typedef struct _kpl_union {
+    KPL_POOL_HEADER(_kpl_union);
+    uint32_t tag;
+    kpl_class class;
+} kpl_union;
+```