D needs to publicize its speed of compilation

[Iain Buclaw]

On 28 December 2017 at 22:58, Walter Bright via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
> On 12/28/2017 5:22 AM, Atila Neves wrote:
>>
>> On Thursday, 28 December 2017 at 07:21:28 UTC, Walter Bright wrote:
>>>
>>> On 12/27/2017 1:23 PM, Atila Neves wrote:
>>>>
>>>> However, my experience has been that D has fast builds from scratch, but
>>>> is really really slow for incremental builds.
>>>
>>> You can do fast incremental builds with D by not putting all the files on
>>> the command line. Just put one.
>>
>>
>> I don't build the compiler command-line myself, nor do I want to. Even
>> then, recompiling one file isn't useful to me, what is is to recompile
>> what's needed and run the tests. Emacs/flycheck already highlights
>> compilation errors in just one file.
>
>
> I don't understand. C++ compiles files one at a time. You can do the same in
> D. How can this model be useful in C++ but not with D?
>

D modules are like C++ headers.  Change one, and you need to recompile
everything that imports it.