D seems interesting, but...

[1100110]

On Mon, 15 Oct 2012 06:24:57 -0500, Paulo Pinto <pjmlp at progtools.org>  
wrote:

> 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.
>
>
debug mixin(`void main() { /*do something*/ }`);
works but is kinda hacky, and line numbering on error messages might be  
one or two off.

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