is_cas_number

assert_all_are_cas_numbers

assert_any_are_cas_numbers

<p>See <code><a rd-options="assertive.data" href="/link/is_cas_number?package=assertive&version=0.3-6&to=assertive.data" data-mini-rdoc="assertive.data::is_cas_number">is_cas_number</a></code>.</p>

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_cas_number function

<p>See <code><a rd-options='assertive.data' href='is_cas_number'>is_cas_number</a></code>.</p>

is_cas_number: Does the character vector contain CAS registry numbers?

Description

Arguments