Missing instance declarations in base

[Henning Thielemann]

On Mon, 29 Jun 2015, Evan Laforge wrote:

> I think it's actually kind of overloaded, because it has haskell-only
> types like Char.

good point


> So I'm against tuples in Storable because tuples don't exist in C, so
> you should really be using a record with a corresponding struct.

I have used them to call functions compiled by LLVM-JIT. LLVM supports 
tuple types. I guess that LLVM tuples are just structs without field 
names.