Method append

arrow-array/src/builder/union_builder.rs:210–216

(
        &mut self,
        type_name: &str,
        v: T::Native,
    )

    /// Appends a value to this builder.
    #[inline]
    pub fn append<T: ArrowPrimitiveType>(
        &mut self,
        type_name: &str,
        v: T::Native,
    ) -> Result<(), ArrowError> {
        self.append_option::<T>(type_name, Some(v))
    }

    fn append_option<T: ArrowPrimitiveType>(
        &mut self,