powered by
exprs()
check that argument contains valid variable(s) created with exprs() or Source Variables from a List of Expressions
contains_vars(arg)
A TRUE if variables were valid variable
TRUE
A function argument to be checked
none
Developer Utility Functions: %notin%, convert_dtm_to_dtc(), extract_vars(), filter_if(), vars2chr()
%notin%
convert_dtm_to_dtc()
extract_vars()
filter_if()
vars2chr()