// Test VecDeleteRangeFast (fast delete range)
    VecDeleteRangeFast(&vec, 0, 2); // Delete 10 and 20
    
    // Check vector length after fast range deletion

    // Test VecDeleteRangeFast
    bool test_vec_delete_range_fast(void) {
    WriteFmtLn("Testing VecDeleteRangeFast");
    
    // Create a vector of integers

    }
    
    VecDeleteRangeFast(&vec, start_index, count);
    
    // Print after state

    int fast_start = 2;
    int fast_count = 3;
    VecDeleteRangeFast(&vec, fast_start, fast_count);
    
    // Print after state

    
    // Test R-value fast delete range operation
    VecDeleteRangeFast(&vec, 2, 3);
    
    // Print after state

    uint64_t len = VecLen(vec);
    if (len > 0 && start < len && count > 0 && start + count <= len) {
    VecDeleteRangeFast(vec, start, count);
    }
    break;

    size_t index = extract_u32(data, offset, size) % VecLen(vec);
    size_t count = extract_u32(data, offset, size) % (VecLen(vec) - index + 1);
    VecDeleteRangeFast(vec, index, count);
    }
    break;

    size_t index = extract_u32(data, offset, size) % VecLen(vec);
    size_t count = extract_u32(data, offset, size) % (VecLen(vec) - index + 1);
    VecDeleteRangeFast(vec, index, count);
    }
    break;