assert_is_installed {fgeo.tool}R Documentation

Assert a package is installed.

Description

Assert a package is installed.

Usage

assert_is_installed(pkg)

Arguments

pkg

Character vector giving the name of a package.

Value

An error if pkg is not installed or invisible pkg if it is.

Examples

assert_is_installed("base")
## Not run: 
try(assert_is_installed("bad"))

## End(Not run)

[Package fgeo.tool version 1.2.9 Index]