How do I obtain the default hash of a user-defined struct

[dnspies]

On Wednesday, 2 April 2014 at 22:07:36 UTC, FreeSlave wrote:
> Contents of struct are compared field by field using comparison 
> for the type of each field. Dynamic arrays are compared by 
> contents. If you want to compare them by pointer use .ptr 
> property.
>
> opEquals and opCmp are not about hashing, I believe. They are 
> just operators to help when dealing with chaining when 
> different objects have same hash (since hash may be not unique)

Thanks, I'll post the other questions in separate threads.