check that argument contains valid variable(s) created with exprs() or Source Variables from a List of Expressions

check that argument contains valid variable(s) created with exprs() or Source Variables from a List of Expressions

Usage

contains_vars(arg)

Arguments

arg

A function argument to be checked

Value

A TRUE if variables were valid variable

See also

Developer Utility Functions: %notin%(), %or%(), arg_name(), convert_dtm_to_dtc(), extract_vars(), filter_if(), valid_time_units(), vars2chr()