is.numeric() returns TRUE for Duration, Period and Interval objects

[danielvartan]

Problem: when placed in is.numeric(), Duration, Period and Interval objects return TRUE.

I don't know if this was intentional, but it is very annoying.

Reprex

is.numeric(lubridate::dhours())
#> [1] TRUE
is.numeric(lubridate::hours())
#> [1] TRUE
is.numeric(lubridate::as.interval(lubridate::dhours(), lubridate::ymd("2021-01-01")))
#> [1] TRUE
is.numeric(lubridate::as.difftime(lubridate::dhours()))
#> [1] FALSE
is.numeric(hms::parse_hm("10:00"))
#> [1] FALSE
is.numeric(lubridate::as_date("2021-01-01"))
#> [1] FALSE
is.numeric(lubridate::ymd_hms("2021-01-01 01:00:00"))
#> [1] FALSE

base::sessionInfo()

R version 4.0.2 (2020-06-22)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 18363)

Matrix products: default

locale:
[1] LC_COLLATE=Portuguese_Brazil.1252 
[2] LC_CTYPE=Portuguese_Brazil.1252   
[3] LC_MONETARY=Portuguese_Brazil.1252
[4] LC_NUMERIC=C                      
[5] LC_TIME=Portuguese_Brazil.1252    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods  
[7] base     

other attached packages:
[1] reprex_0.3.0      lubridate_1.7.9.2 devtools_2.3.2   
[4] usethis_2.0.0    

loaded via a namespace (and not attached):
 [1] Rcpp_1.0.5        compiler_4.0.2    pillar_1.4.7     
 [4] prettyunits_1.1.1 remotes_2.2.0     tools_4.0.2      
 [7] testthat_2.3.2    digest_0.6.25     pkgbuild_1.2.0   
[10] pkgload_1.1.0     memoise_1.1.0     evaluate_0.14    
[13] lifecycle_0.2.0   tibble_3.0.4      pkgconfig_2.0.3  
[16] rlang_0.4.7       cli_2.2.0         rstudioapi_0.13  
[19] yaml_2.2.1        xfun_0.17         knitr_1.30       
[22] withr_2.3.0       desc_1.2.0        generics_0.1.0   
[25] fs_1.5.0          vctrs_0.3.6       rprojroot_2.0.2  
[28] glue_1.4.2        R6_2.5.0          processx_3.4.4   
[31] fansi_0.4.1       rmarkdown_2.6     sessioninfo_1.1.1
[34] whisker_0.4       callr_3.5.1       purrr_0.3.4      
[37] clipr_0.7.1       magrittr_2.0.1    htmltools_0.5.0  
[40] ps_1.3.4          ellipsis_0.3.1    assertthat_0.2.1 
[43] crayon_1.3.4  

devtools::session_info()

- Session info ---------------------------------------------------
 setting  value                       
 version  R version 4.0.2 (2020-06-22)
 os       Windows 10 x64              
 system   x86_64, mingw32             
 ui       RStudio                     
 language (EN)                        
 collate  Portuguese_Brazil.1252      
 ctype    Portuguese_Brazil.1252      
 tz       America/Sao_Paulo           
 date     2021-01-08                  

- Packages -------------------------------------------------------
 package     * version date       lib source        
 assertthat    0.2.1   2019-03-21 [1] CRAN (R 4.0.3)
 callr         3.5.1   2020-10-13 [1] CRAN (R 4.0.3)
 cli           2.2.0   2020-11-20 [1] CRAN (R 4.0.3)
 clipr         0.7.1   2020-10-08 [1] CRAN (R 4.0.3)
 crayon        1.3.4   2017-09-16 [1] CRAN (R 4.0.3)
 desc          1.2.0   2018-05-01 [1] CRAN (R 4.0.2)
 devtools    * 2.3.2   2020-09-18 [1] CRAN (R 4.0.3)
 digest        0.6.25  2020-02-23 [1] CRAN (R 4.0.2)
 ellipsis      0.3.1   2020-05-15 [1] CRAN (R 4.0.2)
 evaluate      0.14    2019-05-28 [1] CRAN (R 4.0.2)
 fansi         0.4.1   2020-01-08 [1] CRAN (R 4.0.2)
 fs            1.5.0   2020-07-31 [1] CRAN (R 4.0.2)
 generics      0.1.0   2020-10-31 [1] CRAN (R 4.0.3)
 glue          1.4.2   2020-08-27 [1] CRAN (R 4.0.2)
 htmltools     0.5.0   2020-06-16 [1] CRAN (R 4.0.2)
 knitr         1.30    2020-09-22 [1] CRAN (R 4.0.2)
 lifecycle     0.2.0   2020-03-06 [1] CRAN (R 4.0.2)
 lubridate   * 1.7.9.2 2020-11-13 [1] CRAN (R 4.0.3)
 magrittr      2.0.1   2020-11-17 [1] CRAN (R 4.0.3)
 memoise       1.1.0   2017-04-21 [1] CRAN (R 4.0.2)
 pillar        1.4.7   2020-11-20 [1] CRAN (R 4.0.3)
 pkgbuild      1.2.0   2020-12-15 [1] CRAN (R 4.0.3)
 pkgconfig     2.0.3   2019-09-22 [1] CRAN (R 4.0.2)
 pkgload       1.1.0   2020-05-29 [1] CRAN (R 4.0.3)
 prettyunits   1.1.1   2020-01-24 [1] CRAN (R 4.0.2)
 processx      3.4.4   2020-09-03 [1] CRAN (R 4.0.2)
 ps            1.3.4   2020-08-11 [1] CRAN (R 4.0.2)
 purrr         0.3.4   2020-04-17 [1] CRAN (R 4.0.2)
 R6            2.5.0   2020-10-28 [1] CRAN (R 4.0.3)
 Rcpp          1.0.5   2020-07-06 [1] CRAN (R 4.0.2)
 remotes       2.2.0   2020-07-21 [1] CRAN (R 4.0.2)
 reprex      * 0.3.0   2019-05-16 [1] CRAN (R 4.0.3)
 rlang         0.4.7   2020-07-09 [1] CRAN (R 4.0.2)
 rmarkdown     2.6     2020-12-14 [1] CRAN (R 4.0.3)
 rprojroot     2.0.2   2020-11-15 [1] CRAN (R 4.0.3)
 rstudioapi    0.13    2020-11-12 [1] CRAN (R 4.0.3)
 sessioninfo   1.1.1   2018-11-05 [1] CRAN (R 4.0.2)
 testthat      2.3.2   2020-03-02 [1] CRAN (R 4.0.2)
 tibble        3.0.4   2020-10-12 [1] CRAN (R 4.0.3)
 usethis     * 2.0.0   2020-12-10 [1] CRAN (R 4.0.3)
 vctrs         0.3.6   2020-12-17 [1] CRAN (R 4.0.3)
 whisker       0.4     2019-08-28 [1] CRAN (R 4.0.2)
 withr         2.3.0   2020-09-22 [1] CRAN (R 4.0.2)
 xfun          0.17    2020-09-09 [1] CRAN (R 4.0.2)
 yaml          2.2.1   2020-02-01 [1] CRAN (R 4.0.2)

[1] C:/Users/Daniel/Documents/R/win-library/4.0
[2] C:/Program Files/R/R-4.0.2/library

[vspinu]

Unfortunate but cannot be changed. Only if lubridate is rewritten from scratch I am afraid.

[danielvartan]

☹ . That's ok. Thanks for the answer.