"Disappearing" operator methods

[Yuxuan Shui via Digitalmars-d]

On Thursday, 29 September 2016 at 14:34:18 UTC, Marc Schütz wrote:
> Please have a look at this PR:
> https://github.com/dlang/dmd/pull/6140
>
> However, the error message printed with this PR isn't 
> particularly helpful either:
> Error: incompatible types for ((5) in (m2)): 'int' and 
> 'const(MyTable)'
>
> You might want to add a comment there, and/or open an 
> enhancement request at: https://issues.dlang.org/

This is true. But currently error messages for overloaded 
operator is useless in general, not just for 'in'.