Aleksei-bird
46d69f3a45
Добавлен мод blueprint-sandboxes Добавляет метку версии в zzzparanoidal (#72)
31 lines
525 B
Lua
31 lines
525 B
Lua
-- https://www.lua.org/pil/11.4.html
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local Queue = {}
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function Queue.New()
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return { first = 0, last = -1 }
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end
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function Queue.Push(list, value)
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local last = list.last + 1
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list.last = last
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list[last] = value
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end
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function Queue.Pop(list)
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local first = list.first
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if first > list.last then
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return nil
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end
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local value = list[first]
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list[first] = nil
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list.first = first + 1
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return value
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end
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function Queue.Size(list)
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return list.last - list.first + 1
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end
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return Queue
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