Marketing of D - article topic ideas?
Nick Sabalausky
a at a.a
Sun Jun 6 21:58:26 PDT 2010
"dsimcha" <dsimcha at yahoo.com> wrote in message
news:huh892$agk$1 at digitalmars.com...
>
> /**Finds the largest element present in any of the ranges passed in.\
> */
> CommonType!(staticMap!(ElementType, T)) largestElement(T...)(T args) {
> // Quick and dirty impl ignoring error checking:
> typeof(return) ret = args[0].front();
>
> foreach(arg; args) {
> foreach(elem; arg) {
> ret = max(elem, ret);
> }
> }
>
> return ret;
> }
>
I clearly haven't been following D2 closely enough. Or maybe I'm just more
tired than I think... Can you explain that function signature?:
CommonType!(staticMap!(ElementType, T)) largestElement(T...)(T args) {
> Do this in C++ -> FAIL because there are no variadics. (Yes, C++1x will
> have
> them, but I might die of old age by the time C++1x exists.)
>
C++0x^H^H1x is starting to remind me of Duke Nukem Forever. (Except I
actually gave a rat's ass about Duke ;) )
> Do this in any dynamic language -> FAIL because looping is so slow that
> you might
> die of old age before it executes. Besides, who wants to do
> computationally
> intensive, multithreaded work in a dynamic language?
>
I bet there's a lot of people who wouldn't bat an eye at that idea.
Unfortunately.
> Do this in Java -> FAIL because arrays are primitives, not Objects and
> variadics
> only work with Objects. You can't easily make an array of arrays because
> the
> elements of args may be different but related types (e.g. int, float).
>
I actually find that funny. Something in Java that isn't an Object? I
remember "Everything's an object!" being paraded around as a selling point.
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