Re: Intro and questions

<peter.westlake@arm.com> writes:
> There I was, perusing the source, and I came across mention of
> "copy nodes" in dag.h, and wondered what it was. Newbie question:
> what's all that "copy history" stuff about, anyway? It doesn't
> seem to be mentioned in the Design document, and "structure"
> mentions it but doesn't say what it's for.

You want to record the copying of something to a new location as a
event. I.e., it's not just "bar appeared here, and hmmm, it happens
to have the same contents as foo over there".

The reason to record the event like that is to generate better logs.

So, if node B is a copy of node A, then B has some extra information
recording that fact.

-K

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Received on Sat Oct 21 14:36:35 2006