Nullable
This lesson explains the nullable mapped type.
We'll cover the following...
We'll cover the following...
Nullable mapped type
Another possibility with the mapped type is that it can handle null. Similar to the optional Partial<T>, you can create your own Nullable<T>. To create your own type, the first step is to build it with no generic (without <T>, a plain interface or type) and then adjust it by adapting with a ...