Proposal: Add variants of tails & inits not returning empty lists

[Neil Mitchell]

Hi

> For proposals like this, I think we need a significant number of people
> saying "yes please!", otherwise the default is for the code to go in
> without much discussion, and if we're not careful we end up adding things
> that are rarely useful.
>
> My data point: I've never used/needed inits1 or tails1, AFAIR, and I don't
> think "tail.inits" is too hard to write, so I vote against.

I vote against, unless new names can be found which give a more
instant connection to the meaning. (I kind of said this in my original
post, but should be a bit clearer I guess)

Thanks

Neil