ParkourPenguin
I post too much
 Reputation: 150
Joined: 06 Jul 2014
Posts: 4657
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 Posted: Sun Jul 22, 2018 9:27 am Post subject: |
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The first is copying global (maybe upvalue) variables to local variables. This could be a minor optimization in a critical part of the code.
The second is the closest thing Lua has to a ternary conditional operator. The "and" and "or" operators short-circuit: if the first operand to "and" / "or" evaluates to false / true respectively, the expression will return the first operand and the second operand will not be evaluated.
That code is equivalent to this:
| Code: | local newGroup
if IsInRaid() then
newGroup = "raid"
elseif IsInGroup() then
newGroup = "party"
else
newGroup = false
end |
_________________
I don't know where I'm going, but I'll figure it out when I get there.
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