Method len

src/reader.rs:1066–1074

Returns the logical number of items in this container.

(&self)

    /// Returns the logical number of items in this container.
    pub fn len(&self) -> u64 {
        if let Ok(payload) = self.read_raw()
            && payload.len() >= 8
            && let Some(bytes) = payload.get(0..8).and_then(|s| s.try_into().ok())
        {
            return u64::from_le_bytes(bytes);
        }
        0
    }

    /// Checks if the container is empty.
    pub fn is_empty(&self) -> bool {