alias vs enum for lambdas?

[user1234]

On Monday, 28 April 2025 at 04:59:24 UTC, Orion wrote:
> In which programming scenarios should alias be used instead of 
> enum?
>
> So far I have only found a simplified notation of a generic 
> lambda:
> alias id = (x) => x; x; , which does not work in the case of 
> enum.
>
> There is also a difference in overloading a non-generic lambda:
>
> alias m = (int x) => x;
> alias m = (float x) => 0.5 + x;
> - alias overloads a function with the same name.
>
> enum e = (int x) => x;
> ///enum e = (float x) => x; //error
> - enum does not.
>
> At the compiler level, enum lambda is represented as a literal.
> But how is alias represented? As an expression?

Alias is the proper way, there's specifications for them to work 
as a way to overload whereas with enum there's no support. 
Rememeber that

```
enum e = (int x) => x;
```

is a shortcut to

```
enum e
{
     e = (int x) => x
}
```

so always use `alias`.