Computers and Technology, 15.04.2021 20:40 soonerlady19
Write a method convert that takes an argument arr that is an array for which you can assume every array element is an instance of a subclass of CoinCollection (don't worry about the array having nil elements). Implement convert so that it returns an array of procs, each of them taking an argument conversionRate, and returning the value of the corresponding CoinCollection given the specified conversionRate.
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