A wrapper on base::tryCatch() for previewing an error message, if any.
Examples
# Example data frames
sel_ids <- toy_student[14:18, (mcid)]
s <- toy_student[mcid %chin% sel_ids, .(mcid, sex)]
t <- toy_term[mcid %chin% sel_ids, .(mcid, term)]
d <- toy_degree[mcid %chin% sel_ids, .(mcid, term_degree)]
# No error
catch_error(post_bacc_terms(t, d))
#> mcid term first_degree_term term_cluster
#> <char> <char> <char> <char>
#> 1: MCID3111213539 19891 19923 pre-degree
#> 2: MCID3111213539 19893 19923 pre-degree
#> 3: MCID3111213539 19901 19923 pre-degree
#> 4: MCID3111213539 19903 19923 pre-degree
#> 5: MCID3111213539 19911 19923 pre-degree
#> 6: MCID3111213539 19913 19923 pre-degree
#> 7: MCID3111213539 19921 19923 pre-degree
#> 8: MCID3111213539 19923 19923 first-degree
#> 9: MCID3111213539 19924 19923 post-first-degree
#> 10: MCID3111213856 19891 19911 pre-degree
#> 11: MCID3111213856 19893 19911 pre-degree
#> 12: MCID3111213856 19901 19911 pre-degree
#> 13: MCID3111213856 19903 19911 pre-degree
#> 14: MCID3111213856 19904 19911 pre-degree
#> 15: MCID3111246563 19901 <NA> pre-degree
#> 16: MCID3111246563 19903 <NA> pre-degree
#> 17: MCID3111254225 19901 19923 pre-degree
#> 18: MCID3111254225 19903 19923 pre-degree
#> 19: MCID3111254225 19911 19923 pre-degree
#> 20: MCID3111254225 19923 19923 first-degree
#> 21: MCID3111254412 19901 19933 pre-degree
#> 22: MCID3111254412 19903 19933 pre-degree
#> 23: MCID3111254412 19911 19933 pre-degree
#> 24: MCID3111254412 19913 19933 pre-degree
#> 25: MCID3111254412 19921 19933 pre-degree
#> 26: MCID3111254412 19931 19933 pre-degree
#> 27: MCID3111254412 19933 19933 first-degree
#> mcid term first_degree_term term_cluster
#> <char> <char> <char> <char>
# Error, no term variable
catch_error(post_bacc_terms(s, d))
#> Error: Assertion on 'var' failed: Must be element of set {'term','term_course','term_degree'}, but is not atomic scalar.
# Error, missing dframe argument
catch_error(post_bacc_terms())
#> Error: argument "dframe" is missing, with no default
# Error, missing degree argument
catch_error(post_bacc_terms(t))
#> Error: object 'degree' not found