Method readahead

crates/vm/src/stdlib/_io.rs:876–882

(&self)

        #[inline]
        const fn readahead(&self) -> Offset {
            if self.valid_read() {
                self.read_end - self.pos
            } else {
                0
            }
        }

        const fn reset_read(&mut self) {
            self.read_end = -1;