Proposal for containers: Add 'pop' function to Data.Map

[David Feuer]

I suggest you add a version for Data.Sequence combining lookup with
deleteAt. I wanted that for something fairly recently.

On Sun, Dec 6, 2020, 11:41 AM Martijn Bastiaan via Libraries <
libraries at haskell.org> wrote:

> Yeah, Python's `pop` made me call it `pop`. I had hoped to find other
> examples, but Java, Rust, and Ruby don't seem to offer `pop`-like
> functions for their (hash)maps.
>
> On 12/6/20 5:29 PM, Tom Ellis wrote:
> > On Sun, Dec 06, 2020 at 11:25:33AM -0500, David Feuer wrote:
> >> The name pop makes me think of a stack. Is this use of the word common?
> > Python uses that name, which is why I'm familiar with it:
> >
> >>>> d = {'a': 1, 'b': 2}
> >>>> d.pop('b')
> > 2
> >>>> d
> > {'a': 1}
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