Custom type / Typle type formatted reader

[Rekel]

And regarding the rest,

I'm curious about reading back user types, without defining a new 
seperate method for it, such as structs, unions and tuples, 
(although I'm unsure to what extent tuples are really a 
user-defined-type).

The other thing just resolved itself;
I was wondering, as slurp kind of already reads tuples from 
files, whether or not it's possible to tell it what tuple you 
want it to read, instead of redefining a possibly previously 
aliased tuple.
It seems now I found a way to do just that . . . I honestly don't 
know why this went wrong before, must have made a mistake 
somewhere. This now works:

	alias Entry = Tuple!(int, "a", char, "b");
	Entry[] results = slurp!Entry("temp.txt", "%s %s");
	results.writeln;

Im actually kind of surprised it does, as nothing in the 
documentation seems to hint to me this makes sense, neither did I 
find any example like it elsewhere.