Poll: what should this program do?

[Basile B.]

On Wednesday, 19 March 2025 at 03:40:28 UTC, Paul Backus wrote:
> Here's a weird little program that came up in a recent Discord 
> discussion:
>
>     template fun(T)
>     {
>         string fun(T) => fun("hi");
>         string fun(string) => "inner";
>     }
>     string fun(string) => "outer";
>
>     void main()
>     {
>         import std.stdio;
>         writeln(fun(123));
>     }
>

What an overload-set nightmare.

> **What SHOULD this program do?**
>
> 1. Print "inner".
> 2. Print "outer".
> 3. It shouldn't compile.
>

3 because two candidates of the set match.

> **What do you think it ACTUALLY does?**
>
> 1. Print "inner".
> 2. Print "outer".
> 3. It doesn't compile.

I play the game, I haven't compiled the thing but I'd say "hi".