string types: const(char)[] and cstring

[Walter Bright]

gareis wrote:
> In short, thank you, Walter, for allowing us to pass anything by reference, and by
> allowing the data referenced to be made read-only.

You're welcome. Different languages offer different pieces, only D will 
offer the whole customizable shebang. The idea is for programs to be 
more self-documenting, and so make automated analysis more feasible.