I've been staring at the
Structs page for a while now and I am still completely baffled as to what use it could possibly have. The example shows the grammar but it is completely useless in demonstrating its significance. (The one thing I could imagine doing, setting virtual functions across actors that do not inherit from a common custom actor, cannot be done.)
A lot of the DECORATE examples are really good about this: "this function causes this to happen. Here's an example of an imp that calls it twice to spin around on the spot 3 times before exploding..." You didn't even need to look at the description, the example alone could show what it could do and why.
It would be great if someone could add something like that to this page.