Mark partial functions as such

[Daniel Cartwright]

That's fine, still a +1 from me

On Thu, Aug 30, 2018, 8:13 PM Richard Eisenberg <rae at cs.brynmawr.edu> wrote:

> Just to clarify here: all I mean is that we should include the word
> "Partial" in the Haddock documentation -- no deprecation or warning, just
> documentation.
>
> Richard
>
> > On Aug 30, 2018, at 8:10 PM, Richard Eisenberg <rae at cs.brynmawr.edu>
> wrote:
> >
> > Proposal: Mark partial functions in `base` as partial
> >
> > Motivation: I'm about to teach Haskell to a classful of beginners. In my
> experience, they will soon reach for functions like `head` and `tail`,
> because pattern-matching is foreign to them. I would love just to be able
> to say "Don't use partial functions", but many students will not easily be
> able to tell partial functions from total ones.
> >
> > I do expect this problem to work itself out rather quickly, and then
> students will be able to identify partial functions, but loudly marking
> partial functions as partial seems like a small service to everyone and a
> bigger one to newbies. I don't see any downsides.
> >
> > Thoughts?
> >
> > Thanks,
> > Richard
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