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https://www.reddit.com/r/ProgrammerHumor/comments/1w2m4qz/bugintroduceddebugging/p715cmu/?context=3
r/ProgrammerHumor • u/ClipboardCopyPaste • 2d ago
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FYI char in Rust is 32-bits, maximum size of a UTF-8 character
1 u/Xirdus 1d ago Rust's char stores UTF-32, not UTF-8, but yes. 1 u/AnnoyedVelociraptor 1d ago I did some more reading, and I wonder if it is more correct that Rust encodes Unicode Scalars as char? 1 u/Xirdus 1d ago Technically speaking, the spec says char represents Unicode scalar, with actual encoding unspecified. The spec requires that char is 4 bytes and has the same ABI as u32, but that's it. In practice, it's UTF-32.
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Rust's char stores UTF-32, not UTF-8, but yes.
1 u/AnnoyedVelociraptor 1d ago I did some more reading, and I wonder if it is more correct that Rust encodes Unicode Scalars as char? 1 u/Xirdus 1d ago Technically speaking, the spec says char represents Unicode scalar, with actual encoding unspecified. The spec requires that char is 4 bytes and has the same ABI as u32, but that's it. In practice, it's UTF-32.
I did some more reading, and I wonder if it is more correct that Rust encodes Unicode Scalars as char?
char
1 u/Xirdus 1d ago Technically speaking, the spec says char represents Unicode scalar, with actual encoding unspecified. The spec requires that char is 4 bytes and has the same ABI as u32, but that's it. In practice, it's UTF-32.
Technically speaking, the spec says char represents Unicode scalar, with actual encoding unspecified. The spec requires that char is 4 bytes and has the same ABI as u32, but that's it.
u32
In practice, it's UTF-32.
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u/AnnoyedVelociraptor 2d ago
FYI char in Rust is 32-bits, maximum size of a UTF-8 character