https://tscales.github.io/tags/functional-programming/ Recent content in Functional-Programming on Ty Scales Hugo en-us Sun, 13 Mar 2022 11:02:32 -0700 https://tscales.github.io/blog/higher-order-functions/ Sun, 13 Mar 2022 11:02:32 -0700 https://tscales.github.io/blog/higher-order-functions/ <p>Have you ever encountered this scenario before?</p> <p>Lets say you have a class <code>User</code>.</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-scala" data-lang="scala"><span style="display:flex;"><span><span style="color:#66d9ef">case</span> <span style="color:#66d9ef">class</span> <span style="color:#a6e22e">User</span><span style="color:#f92672">(</span>firstName<span style="color:#66d9ef">:</span> <span style="color:#66d9ef">String</span><span style="color:#f92672">,</span> lastName<span style="color:#66d9ef">:</span> <span style="color:#66d9ef">String</span><span style="color:#f92672">,</span> address<span style="color:#66d9ef">:</span> <span style="color:#66d9ef">String</span><span style="color:#f92672">)</span> </span></span></code></pre></div><p>You&rsquo;re using this class in production to store information retrieved from an endpoint. Now imagine you are given a new task where you need to fetch a User from a new endpoint. However, This endpoint <em>does not contain the address field</em>, you&rsquo;ll have to get that field from a second new endpoint. What do you do?</p>