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function fooIter(n,x) local i = string.len(x) if i < 10 then if 0 == i%2 then return x,true else return x,false end end return nil end function foo(s) return fooIter,nil,s end local N = 0 for p,s in foo("d") do N = N + 1 print(N, p, s) if( s ) then p = p .. "o" else p = p .. "x" end if N > 15 then break end end
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