whats happening to my binary file size?

[Vladimir Panteleev via Digitalmars-d-learn]

On Tuesday, 26 August 2014 at 23:36:44 UTC, Israel wrote:
> I wasnt paying any attention to the file size of my binaries 
> when
> i started using D.
>
> My first program is simple and compiles at 486kb, which 
> honestly,
> is kind of absurd but anyways, after i start adding other 
> imports
> it ran all the way up to 4.5mb.
>
> what i want to ask is, what exactly is happening to my binary
> when all i do is import various modules?

You can see what's taking up space by upload a .map file here:
http://thecybershadow.net/d/mapview/