I have an ArrayList of LongArrays, each of size 2. I am trying to use the built-in 'indexOf' method to find the index of a specific array of longs, and I can't figure out why the code says the array of longs I'm searching for isn't found. See the below screen shot of a debugging session where try to evaluate finding 'longArrayOf(0L,5L)' in the ArrayList. In my mind, longArrayOf(0L,5L) is clearly the first element in the cardHierarchy array. Can the 'indexOf' function not be used for finding arrays? Can anyone suggest an alternate method?
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