Re: [go-nuts] Regarding contracts

[Robert Engels]

> On Oct 18, 2018, at 9:41 AM, Burak Serdar <bser...@ieee.org> wrote:
> 
> If X is a struct type, any type implementing all the methods of X and
>    containing all the fields of X can be substituted

The above is the problem. This almost certainly requires dynamic access to 
fields, essentially making all method and field access dynamic, and I don’t 
think the Go performance hounds will go for it. I am not even certain it can be 
done without runtime reflection. 

But still a developer having to create a Bar with all of the exported methods 
and fields of Foo seems daunting. 

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