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Felipe Lo Valvo194 Points
in mono develop theres a line of code that wasn't mentioned in the video called "System.Collections.Generic". i don't know what does it mean or if will maybe affect my game, if someone knows please tell me.
Ivan Penchev13,832 Points
I have the feeling that you are not a hardcode c# dev, and thats is not a problem!
The System.Collections.Generic namespace contains interfaces and classes that define generic collections.
That basically mean that including it, would give us access to things such as HashSet, LinkedList and so forth.
Oh yeah too links, that may help you: https://msdn.microsoft.com/en-us/library/system.collections.generic(v=vs.110).aspx and https://docs.microsoft.com/en-us/dotnet/standard/collections/when-to-use-generic-collections