On Sun, May 26, 2019 at 12:04 AM David Mertz <me...@gnosis.cx> wrote:
>
> I don't really understand HDL/Verilog, but I've worked with people who do. In 
> fact, I even wrote a pre-processor that transformed the same DSL to Python, 
> C++, and Verilog.
>
> In my mind, the HDL use case is FAR too narrow and specialized to warrant a 
> new arrow operator, let an entirely new parser and semantics around arbitrary 
> operators. There are several existing dunders that could plausibly be 
> repurposed already (<<, <<=, <=, etc). Those might look sightly different 
> than the verilog operators, but that's a very small price. In fact, just 
> using attributes and assignment is an incredibly low bar too, and allows 
> whatever overriding you wish.

Well, depends on how we define narrow ... you are writing probably
this email on a HDL designed machine ... and the entire world is
powered by HDL designed silicons. that is not small for me at all.

> I just don't buy the idea that such a DSL can only be useful if it spells 
> 'abc <== message' and useless if it spelled the same thing as 'abc <<= 
> message'.

So you don't find this is confusing?

signal <<= 5 # does it mean left shifting signal or assigning 5 to signal??

I really do think it is confusing.
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