String::from_utf8_lossy reimplement minor optimization #20391
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…ds having to loop the slice from the begining.
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Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @pcwalton (or someone else) soon. If any changes to this PR are deemed necessary, please add them as extra commits. This ensures that the reviewer can see what has changed since they last reviewed the code. The way Github handles out-of-date commits, this should also make it reasonably obvious what issues have or haven't been addressed. Large or tricky changes may require several passes of review and changes. Please see CONTRIBUTING.md for more information. |
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Prior to 9bae6ec from_utf8_lossy had a minor optimization in place that avoided having to loop from the beginning of the input slice.
Recently 4908017 implemented Utf8Error::InvalidByte which makes this possible again.