[Issue 17985] Implement -stdin for rdmd

[d-bugmail--- via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=17985

--- Comment #6 from greenify <greeen...@gmail.com> ---
Fair enough. BTW rdmd doesn't add imports by defaults - only `rdmd --eval
<string>` does.

--