Method len

arrow-buffer/src/builder/mod.rs:117–119

Returns the current number of array elements in the internal buffer. # Example: ``` # use arrow_buffer::builder::BufferBuilder; let mut builder = BufferBuilder:: ::new(10); builder.append(42); assert_eq!(builder.len(), 1); ```

(&self)

    /// assert_eq!(builder.len(), 1);
    /// ```
    pub fn len(&self) -> usize {
        self.buffer.len() / std::mem::size_of::<T>()
    }

    /// Returns whether the internal buffer is empty.
    ///