ctfe library

[Don]

bearophile wrote:
> Don:
>> I've found that the function below improves things immensely. I might 
>> propose it for std.metastrings in the next Phobos release.
> 
> Can you tell me what this function can be useful for?
> 
> Thank you, bye,
> bearophile

If you have recursive mixins (such as appears in many of the examples 
posted by downs), it lets you get rid of the horrible `\"` and 
backslashes which appear everywhere.