feat(examples): Implement p/demo/dequeue

[linhpn99]

From issue : https://github.com/gnolang/gno/issues/2119

Contributors' checklist...

• [ ] Added new tests, or not needed, or not feasible
• [ ] Provided an example (e.g. screenshot) to aid review or the PR is self-explanatory
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[linhpn99]

@moul i have just implemented queue structure, please take a look !

[moul]

You are adding general-purpose libraries, which is good. However, it's challenging to review without a real usage example. Could you create dapps using your new libraries or provide more actionable examples?

[linhpn99]

This data structure is not a Queue but a Deque (double-ended queue). Can you change the name to avoid confusion? Thanks.

72cbc36d33e923171 Thank for this suggestion

[moul]

@linhpn99, could you provide an example demonstrating the use of this library?

[linhpn99]

@linhpn99, could you provide an example demonstrating the use of this library?

There are practical use cases in some Ethereum smart contracts that leverage dequeue, such as in lotteries, gaming, or task scheduling, where using dequeue helps manage the order of writing and retrieving data efficiently and flexibly for processing

Currently, it is just a structure package, making it hard to visualize its applications. We plan to propose specific realms to implement this package

[moul]

Can you share some examples in solidity then?

[linhpn99]

Can you share some examples in solidity then?

https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3153

Sorry, currently I haven't been able to find a specific solidity project using this library. However, I refered to a discussion by the OpenZeppelin community about the reasons for implementing this library. I think it provides users with an additional option for data storage/access depending on their use case

I will add more useful information related to this library when I find something new

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[github-actions[bot]]

This PR is stale because it has been open 3 months with no activity. Remove stale label or comment or this will be closed in 3 months.

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[thehowl]

I'm closing this PR as the author has not been contributing to Gno for a while.

Feel free to re-open this PR, or fork this PR and propose a new one, considering the latest comments and any surrounding discussion.