Implement `popfirst!`?

[darsnack]

Would it be possible to have a popfirst! implementation? This package nearly meets my needs, but I want to pop the oldest value instead of the newest value (more like queue).

[findmyway]

@JuliaRegistrator register

[JuliaRegistrator]

Registration pull request created: JuliaRegistries/General/55498

After the above pull request is merged, it is recommended that a tag is created on this repository for the registered package version.

This will be done automatically if the Julia TagBot GitHub Action is installed, or can be done manually through the github interface, or via:

git tag -a v0.1.5 -m "<description of version>" 1eb93874b53dcc62766bd6c42a77e1645ffe52f8
git push origin v0.1.5