function array_iterator(a, startIndex, endIndex)
local i = startIndex - 1
return function()
i = i + 1
if (i > endIndex) then
return nil
else
if (i <= #a) then
return i, a[i]
end
end
end
end
local a = {"Ariel", "Betty", "Clara"}
for i, v in array_iterator(a, 1, 3) do
print(i, v)
end
Sunday, May 13, 2012
Lua의 closure 이용해 array iterator 만든 예
Labels:
Lua
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