Proposal: Implicit Function Template Value Instantiation

[jmh530]

On Wednesday, 28 September 2022 at 12:59:08 UTC, FeepingCreature 
wrote:
> Everybody had to move from `writefln("%s = %s", a, b)` to 
> `writefln!"%s = %s"(a, b)` in order to get the benefit of 
> static format string syntax checking.
>
> This was annoying. What's more, it was unnecessary. Why not 
> just:
>
> ```
> void writefln(string fmt, T...)(fmt, T args)
> ```
> [snip]

That's an interesting idea, but what would be the advantage of 
this (or something like it) versus the Enum Parameters DIP [1]?

I'm also not so trilled with the `fmt` in the second set of 
parentheses not having a type associated with it. I don't know if 
that would cause your linking errors.

[1] 
https://forum.dlang.org/thread/gvypfkueypukgvxnfgtx@forum.dlang.org