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## Description This PR implements `Iterator` for `StorageVec`. Iterating over a `StorageVec` via `for` loop should now be the preferred option. Compared to the traversal via `while` loop and incrementing index, the `for` loop is: - more performant. `for` loop eliminates the redundant boundary checks done in every `get()` call in the `while` loop. - more idiomatic and convenient. Closes #6796. ## Checklist - [x] I have linked to any relevant issues. - [x] I have commented my code, particularly in hard-to-understand areas. - [x] I have updated the documentation where relevant (API docs, the reference, and the Sway book). - [ ] If my change requires substantial documentation changes, I have [requested support from the DevRel team](https://github.com/FuelLabs/devrel-requests/issues/new/choose) - [x] I have added tests that prove my fix is effective or that my feature works. - [ ] I have added (or requested a maintainer to add) the necessary `Breaking*` or `New Feature` labels where relevant. - [x] I have done my best to ensure that my PR adheres to [the Fuel Labs Code Review Standards](https://github.com/FuelLabs/rfcs/blob/master/text/code-standards/external-contributors.md). - [x] I have requested a review from the relevant team or maintainers. --------- Co-authored-by: bitzoic <bitzoic.eth@gmail.com> |
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