Method to_uppercase

crates/wtf8/src/lib.rs:1011–1020

(&self)

    }

    pub fn to_uppercase(&self) -> Wtf8Buf {
        let mut buf = Wtf8Buf::with_capacity(self.len());
        for chunk in self.chunks() {
            match chunk {
                Wtf8Chunk::Utf8(s) => buf.push_str(&s.to_uppercase()),
                Wtf8Chunk::Surrogate(c) => buf.push(c),
            }
        }
        buf
    }

    #[inline]
    pub const fn is_ascii(&self) -> bool {