romainfrancois commented on pull request #10445:
URL: https://github.com/apache/arrow/pull/10445#issuecomment-856654860


   An interesting side benefit from this is that we don't get altrep R vectors 
from slices: 
   
   ``` r
   library(arrow, warn.conflicts = FALSE)
   #> See arrow_info() for available features
   
   x <- 1:1e3+ 1L
   v <- Array$create(x)
   x1 <- v$as_vector()  
   .Internal(inspect(x1))
   #> @7face1b4ba18 13 INTSXP g0c0 [REF(65535)] std::shared_ptr<arrow::Array, 
int32, NONULL> (len=1000, ptr=0x7facdc27e998)
   
   x2 <- v$Slice(500)$as_vector()
   .Internal(inspect(x2))
   #> @7facde2bfd80 13 INTSXP g0c0 [REF(65535)] std::shared_ptr<arrow::Array, 
int32, NONULL> (len=500, ptr=0x7facdb0a2198)
   ```
   
   <sup>Created on 2021-06-08 by the [reprex 
package](https://reprex.tidyverse.org) (v2.0.0)</sup>


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