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Whenever we want to use a value that is not readily available yet – for example, when we call a function to compute or fetch something over the network – we can not be sure if things go as were planned. What if the database connection is down? What if the user typed in an invalid string?
Read More...Looping over a collection of items and transforming the individual elements within is quite a common task. So it seems natural that Scala offers a nice way to solve this.
Read More...Whenever we want to use a value that is not readily available yet – for example, when we call a function to compute or fetch something over the network – we can not be sure if things go as were planned. What if the database connection is down? What if the user typed in an invalid string?
Read More...