chk_dbl: Check Double Scalar

In chk: Check User-Supplied Function Arguments

Check Double Scalar

Description

Checks if double scalar using

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

Usage

chk_dbl(x, x_name = NULL)

vld_dbl(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 or returns the original object if successful so it can used in pipes.

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

Functions

• vld_dbl(): Validate Double

  

See Also

Other deprecated: chk_chr(), chk_deprecated, chk_wnum()

Examples

# chk_dbl
chk_dbl(1)
try(chk_dbl(1L))
# vld_dbl
vld_dbl(1)
vld_dbl(double(0))
vld_dbl(NA_real_)
vld_dbl(c(1, 1))
vld_dbl(1L)

chk documentation built on Sept. 11, 2024, 7:34 p.m.