[phobos] Tango and the new time lib

[Andrei Alexandrescu]

I think for practical reasons we should simply stay away from Tango. 
We'd be wasting time otherwise. It's not like they discovered the cure 
for cancer. We're better off just defining better abstractions; think of 
where Phobos was in comparison to Tango before std.algorithm came about.

In the date/time case, we should be looking for inspiration at Boost - 
work that's licensed under better terms, and of good quality to boot.


Andrei

On 04/29/2010 10:13 AM, David Simcha wrote:
> On Thu, Apr 29, 2010 at 11:09 AM, Lars Tandle Kyllingstad
> <lars at kyllingen.net <mailto:lars at kyllingen.net>> wrote:
>
>     So that leaves the code.  Unless SHOO has copy-pasted the code from
>     Tango, I cannot see how their claim holds any water.  There are only so
>     many ways to figure out which day of the month it is.
>
>     -Lars
>
>
> Very good point.  I agree that we don't want to resort to splitting
> legal hairs, but the relevant test is the
> abstraction-filtration-comparison test.
> (http://en.wikipedia.org/wiki/Abstraction-Filtration-Comparison_test)
>
> Basically, this says that, since copyright protects only the expression
> of an idea, not the idea itself, if two programs do something the same
> way because that's the only reasonable way to do it then there's no
> infringement.
>
>
>
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