chk_index | R Documentation |
Checks if an object is a vector of one or more positive integer values.
chk_index(x, x_name = NULL)
vld_index(x)
x |
An object. |
x_name |
A string of the name of object x or NULL. |
The chk_
function throws an informative error if the test fails.
The vld_
function returns a flag indicating whether the test was met.
vld_index()
: Validate Index
x <- c(2L, 1L)
chk_index(x)
y <- c(2L, -1L)
try(chk_index(y))
vld_index(c(-1))
vld_index(c(3L, 1L))
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