Implement allocator support for protocol

[RyanJK5]

Adds basic allocator support to protocol and adds allocator_tests.cc to the suite. Disables tests as appropriate to demonstrate the capabilities added in this PR.

The implementation essentially fuses the allocator and type erasure tutorials.

Closes #157

[RyanJK5]

@jbcoe Hey, sorry to request review early, it did it automatically when I opened the PR. I will split away a PR that corrects some behavior and compiler errors from the allocator_tests.cc file, then stack the protocol implementation on that and comment the tests out.

If you think the actual implementation of protocol should be split, let me know. It's not an unreasonable instinct, but the tutorials may already explain a good amount of the implementation.

[jbcoe]

Apology not needed and never needed, just switch it back to draft if you change your mind. GitHub tools are designed for high cost, low trust, low competence collaboration (that’s wise as it’s the riskier setup). We’re zero cost, high trust (and growing) and high competence (so long as I don’t try and submit more unreviewed agentic code). I’ll take a look when you’re ready.

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On Sun, 23 Aug 2026 at 07:20, Ryan Keane ***@***.***> wrote: *RyanJK5* left a comment (jbcoe/cc-protocol#160) <#160 (comment)> @jbcoe <https://github.com/jbcoe> Hey, sorry to request review early, it did it automatically when I opened the PR. I will split away a PR that corrects some behavior and compiler errors from the allocator_tests.cc file, then stack the protocol implementation on that and comment the tests out. If you think the actual implementation of protocol should be split, let me know. It's not an unreasonable instinct, but the tutorials may already explain a good amount of the implementation. — Reply to this email directly, view it on GitHub <#160?email_source=notifications&email_token=AAF5ZE7JD2DRSXBBIMDFRQL5LKEKDA5CNFSNUABFM5UWIORPF5TWS5BNNB2WEL2JONZXKZKDN5WW2ZLOOQXTKMZYGQ2TSMJYGQ2KM4TFMFZW63VHNVSW45DJN5XKKZLWMVXHJLDGN5XXIZLSL5RWY2LDNM#issuecomment-5384591844>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAF5ZE7SVGHFIBAKHNNW4QD5LKEKDAVCNFSNUABGKJSXA33TNF2G64TZHMYTCMBQGEZTGOBTGY5US43TOVSTWNJSGI2TMMRQGQ2DJILWAI> . You are receiving this because you were mentioned.Message ID: ***@***.***>

[jbcoe]

This looks great. Perfectly aligned with the tutorial and very easy to follow.