chk: chk_chr – R documentation

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Documentation

chk

chk_chr

Check Character Scalar

Description

Checks if character scalar using

is.character(x) && length(x) == 1L

Usage

chk_chr(x, x_name = NULL)

vld_chr(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_chr: Validate Character Scalar

Examples

chk_chr("a")
try(chk_chr(1))
# vld_chr
vld_chr("")
vld_chr("a")
vld_chr(NA_character_)
vld_chr(c("a", "b"))
vld_chr(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