Checks if an object is a vector of one or more positive integer values.
Usage
chk_index(x, x_name = NULL)
vld_index(x)
Arguments
- x
An object.
- 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.
Examples
x <- c(2L, 1L)
chk_index(x)
y <- c(2L, -1L)
try(chk_index(y))
#> Error in chk_index(y) : `y` must have values greater than 0.
vld_index(c(-1))
#> [1] FALSE
vld_index(c(3L, 1L))
#> [1] TRUE
