Composition
This is a method where we take simple functions and combine them into a more complex function. Let's say we have two methods f(x) = x * 2 //(timesTwo) and f(x) = x - 1 // (minusOne) . And we want to compute f(x) = 2x -1 . You call the timesTwo function first. With the output of timesTwo , you call the minusOne function. How would you code this?
The requirement here is that the next function takes as argument the same type that the previous function returns.
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