D seems interesting, but...

[Paulo Pinto]

On Monday, 15 October 2012 at 11:20:26 UTC, bearophile wrote:
> Jacob Carlborg:
>
>> How should DMD detect if you're building a (dynamic) library? 
>> Sure it can see that you're not using -lib or -shared but what 
>> about separate complication?
>
> What about the need to use a compiler switch if you are 
> performing a separate compilation?
>
> A related enhancement request that I'm asking for since years 
> is: the compiler could define a compile-time constant (like 
> is_main_module or something) as true if the module contains the 
> main, and false otherwise. This allows to have a main() in each 
> module. This is handy to have, it allows to compile&run modules 
> both as normal modules to import, or to compile and run them as 
> stand alone programs, like when you want a module to show a 
> demo of its capabilities, or just run its unittests.
>
> Bye,
> bearophile

Yes, this is a nice thing Java, .NET and Python have.