Function make_raw_inline

arrow-array/src/array/byte_view_array.rs:1609–1620

Helper to create a raw u128 value representing an inline ByteView: - `length`: number of meaningful bytes (must be ≤ 12) - `data`: the actual inline data bytes The first 4 bytes encode length in little-endian, the following 12 bytes contain the inline string data (unpadded).

(length: u32, data: &[u8])

        /// The first 4 bytes encode length in little-endian,
        /// the following 12 bytes contain the inline string data (unpadded).
        fn make_raw_inline(length: u32, data: &[u8]) -> u128 {
            assert!(length as usize <= 12, "Inline length must be ≤ 12");
            assert!(
                data.len() == length as usize,
                "Data length must match `length`"
            );

            let mut raw_bytes = [0u8; 16];
            raw_bytes[0..4].copy_from_slice(&length.to_le_bytes()); // length stored little-endian
            raw_bytes[4..(4 + data.len())].copy_from_slice(data); // inline data
            u128::from_le_bytes(raw_bytes)
        }

        // Test inputs: various lengths and lexical orders,
        // plus special cases for byte order and length tie-breaking