...challenge?

idk why you calling it a macro, im pretty sure d isnt going to...

This works for `show!"1+2"`, but it won't work for `show!"x"`, because...

...write a macro in D that executes code in the scope where the macro is...

```d
void show(string s)(){
  auto res=mixin(s);
  writeln(s,"==",res);
}

show!"1+2";
```

...diagnostics. There's nothing about the `show` macro (or similar passive-information constructs) conceptually that...

https://issues.dlang.org/show_bug.cgi?id=24727

ryuukk_ <ryuukk.dev@gmail.com> changed...

...id=24727

          Issue ID: 24727
           Summary: importc: macro conflicts with struct of same name
           Product...

...the same thing as the glibc provided macro, which is checking that the
glibc version...

...module that's always implicitly imported)

https://doc.rust-lang.org/std/macro.dbg.html

...you could choose to go the template/macro direction or the traits/type classes/signatures...