Ok, I'm working on bit rot repair in my rational library. Does anyone
know of a way, in light of Bug 3659
(http://d.puremagic.com/issues/show_bug.cgi?id=3659) to allow testing
two structs for equality when the r.h.s. is an anonymous rvalue or not
exactly the same type? I refuse to commit a library where something
this basic doesn't work (especially since I'd have to make things
lvalues for no good reason in a zillion places in my unit tests), but it
looks like 3659 makes this impossible.
Also, is there any good reason why BigInt doesn't overload cast
operators? Should I fix this? IMHO cast(long) someBigInt should work
especially since BigInt already has a .toLong() method.
On 8/25/2010 10:58 PM, Andrei Alexandrescu wrote:
This is a very interesting discussion, with great points. Here's what
I think - in brief, my experience time and again has been that stuff
that has a strong champion behind it succeeds, and stuff that doesn't,
doesn't. In light of that, if Benjamin and/or David are enthused about
pushing their libraries into Phobos, and furthermore maintaining and
enhancing them, and further-furthermore contributing in new ways to
Phobos, then I think it's not crucial that dimensional analysis (and
possibly rational numbers) are of narrow utility.
One less positive example is std.json - after adding it to Phobos,
Jeremie didn't hang around to maintain it, bring its style on par with
the rest of Phobos etc. Right now it's a library in need of a
champion. Not to mention the likes of std.xml :o).
So, subject to the rest of the team being approving too, I'd say let's
give dimensional analysis (and rational numbers too if David wants) a
fair shot at inclusion in Phobos. Be prepared for ruthlessness though
:o).
Andrei
On 8/25/10 19:37 PDT, David Simcha wrote:
One comment I want to make is that, if we're going to include this, I
have a rational number library on Scrapple that I've been meaning to put
up for review for a while. I noticed that you roll your own somewhat
ad-hoc rational numbers for the units type and don't really expose them
in any more general way. IMHO if both rational and the units lib make
the cut for Phobos, they should be integrated with each other. I'll
clean up my rational library and do a commit, since it's succumbed to
some degree of bit rot. It's at
http://dsource.org/projects/scrapple/browser/trunk/rational/rational.d.
On 8/25/2010 10:09 AM, Benjamin Shropshire wrote:
I have offered up a library that supports statically encoding units in
the type system so as to prevent unit errors (adding distance and
time) and to enforce correct conversions all around.
http://d.puremagic.com/issues/show_bug.cgi?id=3725
I'm looking for comments: What's holding it back from inclusion? What
would need to be improved? The API? Better comments? (I haven't tested
it recently so; make it build again?)
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