Dereference a nullable cell.
A function that accepts the non-nullable value and returns an element.
Optional
Optional element to render if the cell value is null or undefined.
The cell to dereference.
const num = ref<number>();<Deref ref={num}>{ num => {num.map(n => n + 5)} is ten}</Deref> Copy
const num = ref<number>();<Deref ref={num}>{ num => {num.map(n => n + 5)} is ten}</Deref>
Dereference a nullable cell.