chk: chk_null – R documentation

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Documentation

chk

chk_null

Check NULL

Description

Checks if NULL using

is.null(x)

Usage

chk_null(x, x_name = NULL)

vld_null(x)

Arguments

`x`	The object to check.
`x_name`	A string of the name of object x or NULL.

Value

The chk_ function throws an informative error if the test fails.

The vld_ function returns a flag indicating whether the test was met.

Functions

vld_null: Validate NULL

Examples

# chk_null
try(chk_null(1))
chk_null(NULL)
# vld_null
vld_null(NULL)
vld_null(1)

chk

Check User-Supplied Function Arguments

v0.5.1

MIT + file LICENSE

Authors

Joe Thorley [aut, cre] (<https://orcid.org/0000-0002-7683-4592>), Kirill Müller [aut] (<https://orcid.org/0000-0002-1416-3412>), Ayla Pearson [ctb] (<https://orcid.org/0000-0001-7388-1222>), Poisson Consulting [cph, fnd]

Initial release