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Lua stateful iterator
2022-07-27 07:54:00 【nginx】
#!/usr/bin/luaprint("haicoder()\n")array = {"Hello", "HaiCoder", "Lua"}function elementIterator (collection)local index = 0local count = #collection-- Closure functionreturn function ()index = index + 1if index <= countthen-- Returns the current element of the iteratorreturn collection[index]endendendfor element in elementIterator(array)doprint(string.format("Element = %s", element))end
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