Why is it that no one writes with portability in mind in druntime?

[ponce]

On Sunday, 24 November 2013 at 22:38:15 UTC, Jonathan M Davis 
wrote:
> No. We have several types which vary in size. In addition to 
> real, there's
> also size_t (which should be being used in almost all D 
> programs, whereas real
> there's also ptrdiff_t, which is effectively an unsigned size_t.

Just to correct things, size_t is unsigned, ptrdiff_t is the 
signed one.