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Checks if an object is a vector of one or more positive integer values.
chk_index(x, x_name = NULL)vld_index(x)
vld_index(x)
The chk_ function throws an informative error if the test fails.
chk_
The vld_ function returns a flag indicating whether the test was met.
vld_
An object.
A string of the name of object x or NULL.
vld_index(): Validate Index
vld_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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