lua使用容易误解的点
Untitled
Nov 30
1,table.unpack的使用-- table.unpack介绍 table.unpack (list [, i [, j]]) 返回列表中的元素。 这个函数等价于: return list[i], list[i+1], ···, list[j] i 默认为 1 ,j 默认为 #list。 -- 使用时容易误解的地方: local a = { 'a', 'b', 'c' } local p1 = { 'g', table.unpack(a) } # {"g","a","b","c"} local p2 = { 'g', table.unpack(a), 'e' } # {"g","a","e"} 注意p2的结果是{"g","a","e"},p1中放在后面,相当于{...}, p2的用逗号隔开了,相当于只接收一个值

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