While going through some source code, I stumbled upon this peculiar variable declaration that has me a bit confused.
let eventsEnabled : ?boolean = null;
Can someone explain what exactly this means?
You can find the source code here.
While going through some source code, I stumbled upon this peculiar variable declaration that has me a bit confused.
let eventsEnabled : ?boolean = null;
Can someone explain what exactly this means?
You can find the source code here.
?boolean, it indicates that eventsEnabled is classified as a "maybe type" in accordance with Flow's documentation. This essentially means that eventsEnabled can either be a boolean or have a value of undefined/null.As a beginner, I am working on my first project - a simple content/property listings app. I have created a form to collect user data and display it on a show form. The form includes sections for checkboxes and radio buttons, with the values being stored i ...
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