I came across this code snippet in vue at the following GitHub link
declare const RefSymbol: unique symbol
export declare const RawSymbol: unique symbol
export interface Ref<T = any> {
value: T
[RefSymbol]: true
}
Can someone explain what RefSymbol means in this context? I tried using the code like this:
let test:Ref={value:1}
However, VSCode indicates that I am missing attributes of [RefSymbol].
I have researched similar questions on:
- Stack Overflow
- TypeScript Handbook
An example of different code is shown below:
interface StringArray {
[index: number]: string;
}
let myArray: StringArray;
myArray = ["Bob", "Fred"];
let myStr: string = myArray[0];
This second example is quite different from the first because it uses :true instead of :string. I'm unsure how to pass a value to [RefSymbol]. Can someone provide an explanation for this? Thanks in advance.