eliminate cast

[BCS]

Reply to Dee,

> There is a file data.txt with numbers:
> 
> 345
> 5467
> 45
> 238
> ...
> And I want to load into an array of uint like this.
> 
> auto sizes = map!
> (to!(uint, string))
> (compose!(split, q{cast(string) std.file.read(a)})("data.txt"));
>
> It works but cast is always bad ^_^. How can I eliminate cast? Is
> there function to read entire text file in string? Thank you, Dee Girl
> 

IMHO in this case the cast is /not/ bad. It is an explicit documentation 
of your intent. The file.read function knows nothing about what it is reading 
and therefor returns ubyte[] to say "this is data" and the cast is the programer 
saying "I known this is text".