assert_package {arkhe} | R Documentation |
Check the Availability of a Package
Description
Check the Availability of a Package
Usage
assert_package(x, ask = TRUE)
needs(x, ask = TRUE)
Arguments
x |
A |
ask |
A |
Details
assert_package()
is designed for use inside other functions in your own
package to check for the availability of a suggested package.
If the required packages are not available and R is running interactively, the user will be asked to install the packages.
needs()
is an alias for assert_package()
.
Value
Invisibly returns NULL
.
Author(s)
N. Frerebeau
See Also
Other checking methods:
assert_constant()
,
assert_dim()
,
assert_empty()
,
assert_infinite()
,
assert_length()
,
assert_lower()
,
assert_missing()
,
assert_names()
,
assert_numeric
,
assert_square()
,
assert_type()
,
assert_unique()
[Package arkhe version 1.9.0 Index]