Method len

arrow-array/src/builder/generic_list_view_builder.rs:61–63

Returns the number of array slots in the builder

(&self)

    /// Returns the number of array slots in the builder
    fn len(&self) -> usize {
        self.null_buffer_builder.len()
    }

    /// Builds the array and reset this builder.
    fn finish(&mut self) -> ArrayRef {