chk: chk_null_or – R documentation

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chk_null_or

Check NULL Or

Description

Checks if NULL or passes test.

Usage

chk_null_or(x, chk, ..., x_name = NULL)

Arguments

`x`	The object to check.
`chk`	A chk function.
`...`	Arguments passed to chk.
`x_name`	A string of the name of object x or NULL.

Value

An informative error if the test fails.

Examples

chk_null_or(NULL, chk_number)
chk_null_or(1, chk_number)
try(chk_null_or("1", chk_number))

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