Function lv_array_concat 

pub unsafe extern "C" fn lv_array_concat(
    array: *mut lv_array_t,
    other: *const lv_array_t,
) -> lv_result_t

Concatenate two arrays. Adds new elements to the end of the array. @note The destination array is automatically expanded as necessary. @param array pointer to an lv_array_t variable @param other pointer to the array to concatenate @return LV_RESULT_OK: success, otherwise: error