Did you know dep. type languages can have

mutable arrays? I didn't until today:

http://cs.ru.nl/~wouters/Publications/MoreDepTypesForDistrArrays.pdf

No out of bounds exceptions, and you can prove shit like the idempotence of a swap operation repeated twice on the same pair of array elements. Good stuff.

>>11
But that's ridiculous. You write the types, and then you still have to actually write the program? Types are supposed to be there to speed up performance. No other reason.