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chk_scalar

Check Scalar

Description

Checks if is a vector using

length(x) == 1L

Usage

chk_scalar(x, x_name = NULL)

vld_scalar(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_scalar: Validate Scalar

See Also

Other chk_scalars: chk_date_time(), chk_date(), chk_number(), chk_string(), chk_tz(), chk_whole_number()

Examples

# chk_scalar
chk_scalar(1)
chk_scalar(list(1))
try(chk_scalar(1:2))
# vld_scalar
vld_scalar(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

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