is_date

is_posixct

is_posixlt

assert_is_date

assert_is_posixct

assert_is_posixlt

Lots of predicates (is_* functions) to check the state of your
variables, and assertions (assert_* functions) to throw errors if they
aren't in the right form.

Richard Cotton

assertive

Readable Check Functions to Ensure Code Integrity

is_date function

Is the input a date? — is_date

Is the input a date?

is_date: Is the input a date?

Description

Arguments