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string模块string.find关于init值为负数是描述问题 #14

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string模块string.find关于init值为负数是描述问题#14

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@ghost
ghost
opened on Dec 17, 2018

string的index是从1开始的，因此index为-1，实际的正index应为string.len(s),而不是string.len(s)+init (string.len(s)+(-1))
应该写成string.len(s)+init+1

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