23 lines
445 B
Lua
23 lines
445 B
Lua
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-- Set of items
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-- Fast check for inclusion, but unordered.
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--
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-- Instead of having to do:
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-- whitelist = { 'apple'=true, 'cherries'=true, 'melons'=true }
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--
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-- you can do:
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-- whitelist = Set { 'apple', 'cherries', 'melons' }
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--
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-- and then use it as:
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-- print( whitelist['cherries'] ) => true
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function Set(source)
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set = {}
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if source then
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for i,v in ipairs(source) do
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set[v] = true
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end
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end
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return set
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end
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return Set
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