still cannot decide whether I should use TArray or TMap for inventory and character's action list...

I am reading TSet documentation right. what is the differences between TArray and TSet? both sounds similar

oh… okay https://www.safaribooksonline.com/library/view/learning-c-by/9781784396572/ch09s03.html

why is that? it has function as not allowing duplicate and… uh… running out of ideas.