From bb33c30ad89e28d5ff9f4d8073d4f9ee068f484d Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Sat, 8 Mar 2025 01:50:15 -0700
Subject: libfmt: Add %v for libobj to implement

---
 libfmt/include/libfmt/fmt.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'libfmt/include')

diff --git a/libfmt/include/libfmt/fmt.h b/libfmt/include/libfmt/fmt.h
index 3f2d4e7..4dba82f 100644
--- a/libfmt/include/libfmt/fmt.h
+++ b/libfmt/include/libfmt/fmt.h
@@ -10,4 +10,14 @@
 #include <pico/fmt_printf.h>
 #include <pico/fmt_install.h>
 
+#include <libobj/obj.h>
+
+/**
+ * An object that implements fmt_formatter can be printed using
+ * `printf("%v", boxed_obj)`.
+ */
+#define fmt_formatter_LO_IFACE \
+	LO_FUNC(void, format, struct fmt_state *)
+LO_INTERFACE(fmt_formatter)
+
 #endif /* _LIBFMT_FMT_H_ */
-- 
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