0.1.5 - This version may not be safe as it has not been updated for a long time. Find out if your coding project uses this component and get notified of any reported security vulnerabilities with Meterian-X Open Source Security Platform
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Apache-2.0 - Apache License 2.0DEPRECATED: This repository has been merged into https://github.com/servo/tendril
futf is a library for flexible UTF-8, or UTF-8 fragments. I don't know. Check out the API documentation.
Anyway, it takes an index into a byte buffer and tells you things about the UTF-8 codepoint containing that byte. It can deal with incomplete codepoint prefixes / suffixes at the ends of a buffer, which is useful for incremental I/O. It can also handle UTF-16 surrogate code units encoded in the manner of CESU-8 or WTF-8.
This is a low-level helper for tendril that might be useful more generally.