| assert_package | R Documentation |
Check the Availability of a Package
assert_package(x, ask = interactive())
x |
A |
ask |
A |
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.
Invisibly returns NULL.
N. Frerebeau
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()
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