Method slice

arrow-array/src/array/fixed_size_binary_array.rs:301–318

Returns a zero-copy slice of this array with the indicated offset and length.

(&self, offset: usize, len: usize)

    /// Returns a zero-copy slice of this array with the indicated offset and length.
    pub fn slice(&self, offset: usize, len: usize) -> Self {
        assert!(
            offset.saturating_add(len) <= self.len,
            "the length + offset of the sliced FixedSizeBinaryArray cannot exceed the existing length"
        );
        let offset_bytes = offset
            .checked_mul(self.value_size)
            .expect("offset overflow");
        let len_bytes = len.checked_mul(self.value_size).expect("offset overflow");

        Self {
            data_type: self.data_type.clone(),
            nulls: self.nulls.as_ref().map(|n| n.slice(offset, len)),
            value_size: self.value_size,
            value_data: self.value_data.slice_with_length(offset_bytes, len_bytes),
            len,
        }
    }

    /// Create an array from an iterable argument of sparse byte slices.
    /// Sparsity means that items returned by the iterator are optional, i.e input argument can