3 ms·

char is usually some single byte of data. Characters can be multiple bytes. Slicing a string on character boundaries is more coarse grained than slicing on byte

char is usually some single byte of data. Characters can be multiple bytes. Slicing a string on character boundaries is more coarse grained than slicing on byte boundaries.

estebank 5y ago
char in Rust is 32bits, so it has a 1:1 mapping to Unicode glyphs. You might also want to care about grapheme clusters, but those are not part of the stdlib.
- toast0 5y ago
  Unicode codepoints; glyphs may take multiple codepoints.
  - estebank 5y ago
    You are, of course, correct.