Chaining struct method invocations

[Bahman Movaqar via Digitalmars-d-learn]

On Monday, 7 September 2015 at 14:54:04 UTC, Jacob Carlborg wrote:
> On 2015-09-07 16:44, Bahman Movaqar wrote:
>
>> Does this mean that in the following piece of code, what is 
>> passed to
>> `add` is actually a copy of `rec1`?
>>
>>     auto rec1 = SalesRecord("p10", 1.0, 10);
>>     coll.add(rec1);
>
> Yes. structs have value semantics. If you want reference 
> semantics you might want to use a class instead.

Actually I like the value semantics very much.  I think I'm going 
to stick to `structs` for as much as possible :-)