Haskell Platform proposal: Add the vector package

[Henning Thielemann]

On Thu, 5 Jul 2012, Simon Marlow wrote:

> The choice to use the module boundary was made for pragmatic reasons - it 
> reduces complexity in the implementation, but also it makes things much 
> simpler from the programmer's point of view.  The programmer has a clear idea 
> where the boundary lies: in a Safe module, they can only import other 
> Safe/Trustworthy modules.  The Safe subset is a collection of modules, not 
> some slice of the contents of all modules.  The Haddock docs for a module 
> only have to say in one place whether the module is considered safe or not.

I found it quite natural to have the safety property per module. Maybe I 
am too much used to Modula-3.