Method value_offset

arrow-array/src/array/union_array.rs:281–287

Returns the offset into the underlying values array for the array slot at `index`. # Panics Panics if `index` is greater than or equal the length of the array.

(&self, index: usize)

    ///
    /// Panics if `index` is greater than or equal the length of the array.
    pub fn value_offset(&self, index: usize) -> usize {
        assert!(index < self.len());
        match &self.offsets {
            Some(offsets) => offsets[index] as usize,
            None => self.offset() + index,
        }
    }

    /// Returns the array's value at index `i`.
    ///