Congratulations to the D Team!

[Andrei Alexandrescu]

On 7/11/12 11:50 AM, Max Samukha wrote:
> On Wednesday, 11 July 2012 at 15:28:41 UTC, Andrei Alexandrescu wrote:
>> On 7/11/12 11:11 AM, Max Samukha wrote:
>>> On Wednesday, 11 July 2012 at 12:39:03 UTC, Andrei Alexandrescu wrote:
>>>
>>>>
>>>> I gave evidence on a large, high quality C++ codebase that the use of
>>>> mutable (which is the solution of choice for memoization, caching, and
>>>> lazy computation) is extremely scarce.
>>>>
>>>> What evidence do you have for your prediction?
>>>>
>>>>
>>>> Andrei
>>>
>>> Qt codebase (large, high quality) has around 1500 'mutable' keyword
>>> occurrences.
>>
>> How many lines total?
>>
>> Andrei
>
> 1512. Obtained by grepping the src directory of Qt 4.8.0, so the number
> includes duplicates, comments, etc. I think that even if the actual
> number is lower by an order, some 100 types using mutable still do not
> qualify for 'extremely scarce'. If I have time (which is unlikely), I
> will probably analyse the codebase for the actual number.

I was asking about total number of C++ code lines. In our codebase we 
have one use of "mutable" per 7659 lines of C++ code (as grep and wc count).

Andrei