Why don't other programming languages have ranges?

Don nospam at nospam.com
Sun Jul 25 11:08:34 PDT 2010


levenshtein wrote:
> Peter Alexander Wrote:
> 
>> On 25/07/10 12:11 PM, levenshtein wrote:
>>> Walter Bright Wrote:
>>>
>>>> Justin Johansson wrote:
>>>>> It sounds like the D PL has invented the range idiom unlike any other PL.
>>>> Pointer programming is deeply embedded into the C++ culture, and iterators segue
>>>> nicely into that culture. For D, however, programming revolves around arrays,
>>>> and ranges fit naturally into that.
>>>>
>>>> It'll take years, but I'll be very surprised if ranges don't filter into many
>>>> major languages, as well as other ideas that D has proven to be solid.
>>> At least the C++ fellows already stole your 'auto' type inference and the new template functionality. C# stole your delegate system. They even use the same terms. The world dominance already started.
>> Not to belittle D, but type inference was around long before D came on 
>> the scene, and I don't think they got the use of the auto keyword from D 
>> (auto was already an (essentially unused) keyword in C++).
> 
> Type inference might have been around, but I believe it was A. Alexandrescu's influence that made C++0x adopt the same 'auto' keyword for type inference. You can see here:
> 
> http://en.wikipedia.org/wiki/C++0x#Type_inference
> 
> It's essentially copied from D. Seems funny, but the mighty C++ committee is actually listening to us.

C++0x announced that it was going to use the 'auto' keyword, so D copied 
it from C++0x. But D implemented it before C++ did. <g>.


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