Add helper count function to Variant

To get counts of items before getting the list, which is useful for
GDNative so users can pre-allocate the buffer with the correct size
without having to get the list twice.

1 files changed, 5 insertions, 0 deletions

diff --git a/core/variant/variant_setget.cpp b/core/variant/variant_setget.cpp
index 28cf8ef967..dd3e70fc6a 100644
--- a/core/variant/variant_setget.cpp
+++ b/core/variant/variant_setget.cpp
@@ -437,6 +437,11 @@ void Variant::get_member_list(Variant::Type p_type, List<StringName> *r_members)
 	}
 }
 
+int Variant::get_member_count(Type p_type) {
+	ERR_FAIL_INDEX_V(p_type, Variant::VARIANT_MAX, -1);
+	return variant_setters_getters_names[p_type].size();
+}
+
 Variant::ValidatedSetter Variant::get_member_validated_setter(Variant::Type p_type, const StringName &p_member) {
 	ERR_FAIL_INDEX_V(p_type, Variant::VARIANT_MAX, nullptr);