Method rstrip

crates/vm/src/bytes_inner.rs:624–630

(&self, chars: OptionalOption<Self>)

    }

    pub fn rstrip(&self, chars: OptionalOption<Self>) -> &[u8] {
        self.elements.py_strip(
            chars,
            |s, chars| s.trim_end_with(|c| chars.contains(&(c as u8))),
            |s| s.trim_end(),
        )
    }

    // new in Python 3.9
    pub fn removeprefix(&self, prefix: Self) -> Vec<u8> {