safe vs. unsafe (Was: Haskell Platform proposal: Add the vector package)

Bas van Dijk v.dijk.bas at
Wed Jul 11 23:11:23 CEST 2012

On 11 July 2012 20:49, Henning Thielemann <lemming at> wrote:
> I think the idea was to have Unsafe modules and move the unsafe functions
> there. :-)

Indeed. I don't see the point about having .Safe modules. Modules
should be safe by default as you mentioned before. I guess the reason
we have .Safe modules in base and vector is for backwards

The ideal, but currently, impossible way of dealing with this is to
mark the _export_ of unsafe functions in a module as DEPRECATED and in
a later version remove the unsafe functions and mark the module as
Trustworthy. However this requires support for deprecating exports:


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