assert_all_are_date_strings

assert_any_are_date_strings

is_date_string

See <code><a href="/link/is_date_string?package=assertive&version=0.3-2&to=assertive.datetimes" rd-options="assertive.datetimes" data-mini-rdoc="assertive.datetimes::is_date_string">is_date_string</a></code>.

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.

is_date_string: Does the character vector contain dates?

Description

Arguments