default

%||%

<code>a %||% b</code> returns <code>a</code> unless it is empty, in which case
<code>b</code> is returned.

internal

A modern module system for R. Organise code into hierarchical,
composable, reusable modules, and use it effortlessly across projects via a
flexible, declarative dependency loading syntax.

Konrad Rudolph

Write Reusable, Composable and Modular R Code

Michael Schubert

default function

<dl><dt>a</dt>
<dd>the value to return if non-empty</dd>
<dt>b</dt>
<dd>default value</dd>
<dt>lhs</dt>
<dd>vector with potentially missing values, or <code>NULL</code></dd>
<dt>rhs</dt>
<dd>vector with default values, same length as <code>lhs</code> unless that
is <code>NULL</code></dd></dl>

Arguments

Retrieve a value or a default — default

<dl>

<dt>a</dt>
<dd>the value to return if non-empty</dd>


<dt>b</dt>
<dd>default value</dd>


<dt>lhs</dt>
<dd>vector with potentially missing values, or <code>NULL</code></dd>


<dt>rhs</dt>
<dd>vector with default values, same length as <code>lhs</code> unless that
is <code>NULL</code></dd>

</dl>

default: Retrieve a value or a default

Description

Usage

Value

Arguments