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-rw-r--r--include/datatype.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/datatype.h b/include/datatype.h
index 1061a389..a16f8f2b 100644
--- a/include/datatype.h
+++ b/include/datatype.h
@@ -164,6 +164,7 @@ struct datatype {
struct error_record *(*parse)(struct parse_ctx *ctx,
const struct expr *sym,
struct expr **res);
+ void (*describe)(struct output_ctx *octx);
const struct symbol_table *sym_tbl;
unsigned int refcnt;
};