Functional Programming with ReasonML/

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Solution Review: Number Sequence

Solution Review: Number Sequence

This lesson will explain the solution for the number sequence exercise.

We'll cover the following...

Solution 1: switch Expression

Reason
let n = 5;
let next = switch (n) {
    /* Take care of all cases */
    | 0 => 1
    | 1 => 2
    | 2 => 3
    | 3 => 4
    | 4 => 5
    | 5 => 6
    | 6 => 7
    | 7 => 8
    | 8 => 9
    | 9 => 10
    | _ => -1 /* In case n is out of range */
};
Js.log(next);

Explanation

The most effective approach is ...