packages: Loading Packages

In pkgmaker: Package development utilities

Description

require.quiet silently requires a package, and qrequire is an alias to require.quiet.

qlibrary silently loads a package.

mrequire tries loading a package with base require and stops with a – custom – error message if it fails to do so.

Usage

  require.quiet(...)

  qrequire(...)

  qlibrary(...)

  mrequire(msg, package, ...)

Arguments

...	extra arguments passed to library or require.
msg	error message to use, to which is appended the string ' requires package <pkg>' to build the error message.
package	name of the package to load.

See Also

Other require: irequire

Examples

mrequire('Running this example', 'stringr')
try( mrequire('Doing impossible things', 'notapackage') )

pkgmaker documentation built on May 2, 2019, 4:42 p.m.