D language help for a C# programmer

[BCS]

Hello Brien,

> I've made some progress on a language conversion tool, but I'm putting
> a call out to the D language gurus for some tips.
> 
> Most of the conversions I've done have been syntactic.  What are some
> semantic differences that I might run into doing a conversion?  Any
> other gotchas to look out for?
> 
> (Example of a gotcha: usage of 'is' versus '==')
> 

IIRC there are some odd differences between D and C#'s structs so be shure 
to account for them.