Fastest way to find a String into an array of string

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鱼传尺愫
鱼传尺愫 2021-02-12 18:10

The script has to verify if one predefined IP is present in a big array of IPs. Currently I code that function like this (saying that \"ips\" is my array of IP and \"ip\" is the

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  •  一整个雨季
    2021-02-12 18:46

    You can use Set. It is implemented on top of Hash and will be faster for big datasets - O(1).

    require 'set'
    s = Set.new ['1.1.1.1', '1.2.3.4']
    # => # 
    s.include? '1.1.1.1'
    # => true 
    

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