On Friday, 25 May 2018 at 03:34:43 UTC, IntegratedDimensions
wrote:
On Friday, 25 May 2018 at 02:43:39 UTC, Jordan Wilson wrote:
On Thursday, 24 May 2018 at 23:22:56 UTC, IntegratedDimensions
wrote:
the idea in the first place. I needed a hammer but no one
invented it. If I give you my use case then there would be
two main outcomes: You attempt to find a workaround for the
use case or claim that it is not applicable. These are the "I
have a rock that should work as good as that hammer thingy
you want" and "Hammers are useless".
3rd outcome: noobs like me who read the forums who benefit
from such discussion.
Of course, you could be as disinterested in the 3rd outcome as
you are the 1st and 2nd, and that's completely fair.
Jordan
Giving specific examples that are not applicable to your
knowledge base won't help you. If you are too noobish to see
how unifying foreach across non-arrays is useful then you have
no experience where it is. Sure I could give some examples but
then you have the option of excepting them as useful or saying
they are too trivial.
If you can't think of examples on your own then you are
probably not ready for the increase expressiveness of what the
feature allows. It simply means don' t use the new feature. Why
worry about something you don't understand?
void foo(T)(T t)
{
foreach(a; t)
{
}
}
Does that help? I doubt it. If you are too much of a noob you
won't get why the above makes certain things easier. If you
don't have a good working knowledge of templates then you won't
see how such a feature enhancement can simplify things.
So, I will solve the homework problem for you:
auto max(T)(T t)
{
baseTypeOf(T) a;
foreach(a; t)
a = max(a,t)
return a;
}
max(3) = 3
max([3,4,5]) = 5
See? and this is just an arbitrary example that I hope makes
you happy. My examples are more complex and I don't see why it
is necessary for me to waste 30m of my time extracting and
developing a demo just to show that the feature is useful. It
really boils down to the fact that if you can't see it being
useful to you then it isn't and if you can then it is. A noob
isn't going to be able to determine if the feature is sound or
not so it is pointless for a noob to really worry about it.
I genuinely read these forums to increase my learning, and it's
slow progress, but I believe it does help (obviously actually
programming and looking at the many resources available online
plays a big part too).
My intention wasn't to make you justify yourself; not at all. My
intention was to simply to say that there are some people (well,
maybe it is just me) who genuinely learn from more advanced
programmers simply by reading their discussions with other
advanced programmers.
I suppose I was just trying to be encouraging, but clearly it was
more annoying, so my apologies for that.
