<p>Passed to <code>gettextf</code> to create a cause of failure message.</p>

<p>Always returns the value (logical) <code>NA</code>, with a cause attribute.</p>

A minimal set of predicates and assertions used by the assertive
package.  This is mainly for use by other package developers who want to
include run-time testing features in their own packages.  End-users will
usually want to use assertive directly.

Richard Cotton

assertive.base

A Lightweight Core of the 'assertive' Package

Sunkyu Choi

Ivanka Skakun

Gergely Dar<c3><b3>czi

Anton Antonov

Hisham Ben Hamidane

Anja Billing

Aditya Bhagwat

Rasmus B<c3><a5><c3><a5>th

Mine Cetinkaya-Rundel

Aspasia Chatziefthymiou

na function

NA, with a cause of failure. — na

NA, with a cause of failure.

na: NA, with a cause of failure.

Description

Usage

Arguments

Value

See Also