RE: [sv-ec] {}

From: Bresticker, Shalom <shalom.bresticker_at_.....>
Date: Wed Jul 29 2009 - 00:01:30 PDT
Thanks for the examples. 

> However, I can imagine the contents of a concatenation
> being constructed by a macro and that macro expanding
> to null text in some situations.  So, like the zero
> replication, it might be helpful to permit {} as part
> of a non-empty concatenation.  For similar reasons it
> might also be useful to permit zero-width part selects,
> again only when used as part of a concatenation.  Is it
> currently legal to do A[n+:0] ?

A[n+:0] is not legal today. 11.5.1 says,
"the width_expr shall be a positive constant integer expression."

Regards,
Shalom
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Received on Wed Jul 29 00:12:05 2009

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