pretty printing -- copmlete for xo::ast::GeneralizedExpression

include/xo/reader/pretty_exprstatestack.hpp

@@ -0,0 +1,20 @@
+/* file pretty_exprstatestack.hpp
+ *
+ * author: Roland Conybeare, Jul 2025
+ */
+
+#pragma once
+
+#include "exprstatestack.hpp"
+#include "xo/indentlog/print/pretty.hpp"
+
+namespace xo {
+    namespace print {
+        template <>
+        struct ppdetail<xo::scm::exprstatestack*> {
+            static inline bool print_pretty(const ppindentinfo & ppii, const xo::scm::exprstatestack * p) {
+                return p->pretty_print(ppii);
+            }
+        };
+    } /*namespace print*/
+} /*namespace xo*/