What's missing from Phobos for Orbit (package manager)

[Simen Kjaeraas]

On 2013-02-13, 21:19, Walter Bright wrote:

> On 2/12/2013 11:34 PM, Jacob Carlborg wrote:
>> On 2013-02-12 22:35, Walter Bright wrote:
>>
>>> The trivial ones should not be added to Phobos, for example, 'any'  
>>> being
>>> defined as '!empty'. Such things add cognitive load but no value.
>>
>> This is just an extension to the already existing std.algorithm.any  
>> function. I
>> think it adds value, that's why I have it. It clearly shows the intent.  
>> It's the
>> same reason why I think it's good to have explicit interfaces and  
>> abstract
>> classes in opposite of how it works in C++.
>>
>
>
> The any in std.algorithm is defined:
>
> --------------
> bool any(alias pred, Range)(Range range);
>
> Returns true if and only if a value v satisfying the predicate pred can  
> be found in the forward range range. Performs Ο(r.length) evaluations of  
> pred.
> --------------
>
> I see that as very different from !empty.

In C#, the Any function may be called with or without a predicate.
With one, it works as what is already in std.algorithm. Without, it works
like Jacob describes.

-- 
Simen