Declare estimate_tree_capacity() at top of file

src/c4/yml/parse_engine.hpp

@@ -213,6 +213,22 @@ typedef enum BlockChomp_ {
 } BlockChomp_e;
 
 
+/** Quickly inspect the source to estimate the number of nodes the
+ * resulting tree is likely to have. If a tree is empty before
+ * parsing, considerable time will be spent growing it, so calling
+ * this to reserve the tree size prior to parsing is likely to
+ * result in a time gain. We encourage using this method before
+ * parsing, but as always measure its impact in performance to
+ * obtain a good trade-off.
+ *
+ * @note since this method is meant for optimizing performance, it
+ * is approximate. The result may be actually smaller than the
+ * resulting number of nodes, notably if the YAML uses implicit
+ * maps as flow seq members as in `[these: are, individual:
+ * maps]`. */
+RYML_EXPORT id_type estimate_tree_capacity(csubstr src); // NOLINT(readability-redundant-declaration)
+
+
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
@@ -726,21 +742,6 @@ private:
 };
 
 
-/** Quickly inspect the source to estimate the number of nodes the
- * resulting tree is likely have. If a tree is empty before
- * parsing, considerable time will be spent growing it, so calling
- * this to reserve the tree size prior to parsing is likely to
- * result in a time gain. We encourage using this method before
- * parsing, but as always measure its impact in performance to
- * obtain a good trade-off.
- *
- * @note since this method is meant for optimizing performance, it
- * is approximate. The result may be actually smaller than the
- * resulting number of nodes, notably if the YAML uses implicit
- * maps as flow seq members as in `[these: are, individual:
- * maps]`. */
-RYML_EXPORT id_type estimate_tree_capacity(csubstr src); // NOLINT(readability-redundant-declaration)
-
 /** @} */
 
 } // namespace yml