is_number_advanced

This function is designed for use with <code>assert_create_advanced</code>. It must return
TRUE for the assertion to pass or a string representing the error message if the
assertion should fail.

Provides simple assertions with sensible defaults and customisable error messages.
It offers convenient assertion call wrappers and a general assert function that can handle any condition.
Default error messages are user friendly and easily customized with inline code evaluation and styling powered by the 'cli' package.

Sam El-Kamand

assertions

Simple Assertions for Beautiful and Customisable Error Messages

is_number_advanced function

<dl><dt>x</dt>
<dd>A value to be checked</dd></dl>

Arguments

Check if x is a number — is_number_advanced

<dl>

<dt>x</dt>
<dd>A value to be checked</dd>

</dl>

is_number_advanced: Check if x is a number

Description

Usage

Value

Arguments