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swift3.0.2 - Swift: second occurrence with indexOf
    let numbers = [1,3,4,5,5,9,0,1] To find the first 5, use: numbers.indexOf(5) How do I find the second occurence? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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