Generic operator overloading for immutable types?

[arturg via Digitalmars-d-learn]

On Monday, 12 June 2017 at 19:51:37 UTC, Gary Willoughby wrote:
> I don't know how H. S. Teoh managed to answer 'before' I posted 
> but thanks guys! :)

might be a bug, happened here 
http://forum.dlang.org/post/ohbr5l$2mng$1@digitalmars.com also.