perf: Use `NonZeroU16` for port numbers
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- Dominant language
- Rust
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- 1.6k
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Description
Changing URL's port field from Option<u16> to Option<NonZeroU16> would enable some memory layout optimizations, allowing port to have the same size as u16. Trying this out locally results in a 10% smaller memory footprint for Url (88 bytes -> 80 bytes).
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the URL port field and tracing all uses of its current Option representation. Check the memory-size result described in the issue and run the repository's existing tests; done means preserving port behavior while confirming the smaller Url layout.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- performance
- Issue type
- Refactor
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100