Validator Functions

check_type()

Check Argument's Type

check_class()

Check Argument's Class

check_length()

Check Argument's Length

check_content()

Check Argument's Content

check_types()

Check Each Item's Type

check_classes()

Check Each Item's Class

check_contents()

Check Each Item's Content

check_string()

Check If Argument Is Single Character

check_n() is_n()

Check If Argument Is Single Natural Number

check_bool()

Check If Argument Is Single Logical

check_binary_classes()

Check Binary Operator's Arguments' Classes

Create Validators

throw()

Generate and Signal Condition

Utils

where() is_rmd() is_rstudio() is_jupyter()

Detect Where Code Is Running

join()

Connect Words with Conjunction

back_quote()

Back Quote Object