How to get character in a &str at byte offset? | Rust Programming Language Community | Page 1

gusty agate Jul 16, 2022, 6:17 PM

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That's the best/only way I think

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If you need this in more places, create a helper function

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Also note the usual: Are you sure dealing with individual chars is what you want?

carmine urchin Jul 16, 2022, 6:18 PM

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Are you sure pos doesn't cut a char in half?

gusty agate Jul 16, 2022, 6:18 PM

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The indexing checks that

carmine urchin Jul 16, 2022, 6:18 PM

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Well yeah, but it panics if you are wrong

gusty agate Jul 16, 2022, 6:19 PM

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So does the unwrap if pos points at the end of the string

carmine urchin Jul 16, 2022, 6:20 PM

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And you want to work with chars not graphemes?

#How to get character in a &str at byte offset?