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

[David Feuer]

Or lookupRemove? Or possibly lookupAndRemove? The name pop will be
confusing in Data.Sequence.

On Sun, Dec 6, 2020, 12:17 PM Carter Schonwald <carter.schonwald at gmail.com>
wrote:

> LookupThenRemove seems like a more descriptive name.  Though I guess I can
> see why pop has appeal.
>
> On Sun, Dec 6, 2020 at 11:44 AM David Feuer <david.feuer at gmail.com> wrote:
>
>> 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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