Originally Posted by Nimhfree
if nil == mounts[category] then
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FYI, in Lua you do not need to explicitly check that something is equal to nil. You can just do:
if not mounts[category] then
...or you can make it more robust by checking its type instead:
if type(mounts[category]) ~= "table" then
The only reason you'd ever need to check that a value was equal to nil would be if you were using both nil and false values with different meanings, which isn't a very common scenario.