Method finish

arrow-array/src/builder/null_builder.rs:87–93

Builds the [NullArray] and reset this builder.

(&mut self)

    /// Builds the [NullArray] and reset this builder.
    pub fn finish(&mut self) -> NullArray {
        let len = self.len();
        let builder = ArrayData::new_null(&DataType::Null, len).into_builder();

        let array_data = unsafe { builder.build_unchecked() };
        NullArray::from(array_data)
    }

    /// Builds the [NullArray] without resetting the builder.
    pub fn finish_cloned(&self) -> NullArray {