4 ms·I think one is more efficient memory wise but I'm not sure which one.by simlevesque 9y agoI think one is more efficient memory wise but I'm not sure which one.mmanfrin 9y agoThe non-fat-arrow one, as it does not need to carry around the context of `this` with it.hoosieree 9y agoDo you have a reference for this? I always thought arrows were lighter weight because their `this` is static rather than dynamic.