local _,a = 1,2 --虚变量(即下划线),接收1,然后丢弃 print(a) print("virtual in for:") local t = {1, 3, 5} for _,v in ipairs(t) do print(v) end 2 virtual in for 1 3 5
虚变量
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转载自xiangjie88.iteye.com/blog/2274881
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