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並前往https://api.rubyonrails.org/v2.3.8/classes/ActiveSupport/CoreExtensions/Hash/Slice.html

Module: ActiveSupport::CoreExtensions::Hash::Slice - Rails API

If you have an array of keys you want to limit to, you should splat them: valid_keys = [:mass, :velocity, :time] search(options.slice(*valid_keys)). Methods.

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