Fix logic of checkbox formspec element validity checking

[minetest.git] / src / nodemetadata.cpp

diff --git a/src/nodemetadata.cpp b/src/nodemetadata.cpp
index 0631d974adfb1b31ebffa8f752c75d03473f7982..b8c7d3d9c11722cefec153c769bc2cb2df32985f 100644 (file)
--- a/src/nodemetadata.cpp
+++ b/src/nodemetadata.cpp
@@ -83,7 +83,7 @@ void NodeMetadataList::serialize(std::ostream &os) const
                Version 0 is a placeholder for "nothing to see here; go away."
        */
 
-       if(m_data.size() == 0){
+       if(m_data.empty()){
                writeU8(os, 0); // version
                return;
        }