fix: Fixed a bug where serialize didn't write out empty vectors and m…

…appings in a correct way (#456) * fix: Fixed a bug where serialize didn't write out empty vectors and mappings in a correct way. I have not added a test case, but I tested it in my code and it behaved as expected. Adding a test case at some point would be good.
fktn-k · Jan 6, 2025 · c15d671 · c15d671
1 parent 859389e
commit c15d671
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/include/fkYAML/detail/output/serializer.hpp b/include/fkYAML/detail/output/serializer.hpp
@@ -156,6 +156,12 @@ class basic_serializer {
                     serialize_node(seq_item, cur_indent, str);
                     str += "\n";
                 }
+                else if (seq_item.is_sequence() && seq_item.size() == 0) {
+                    str += " []\n";
+                }
+                else if (seq_item.is_mapping() && seq_item.size() == 0) {
+                    str += " {}\n";
+                }
                 else {
                     str += "\n";
                     serialize_node(seq_item, cur_indent + 2, str);
@@ -207,6 +213,12 @@ class basic_serializer {
                     serialize_node(*itr, cur_indent, str);
                     str += "\n";
                 }
+                else if (itr->is_sequence() && itr->size() == 0) {
+                    str += " []\n";
+                }
+                else if (itr->is_mapping() && itr->size() == 0) {
+                    str += " {}\n";
+                }
                 else {
                     str += "\n";
                     serialize_node(*itr, cur_indent + 2, str);