extras (version 0.2.0)

chk_index: Check Index

Description

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.

Functions

• vld_index: Validate Index

Examples

# NOT RUN {
x <- c(2L, 1L)
chk_index(x)
y <- c(2L, -1L)
try(chk_index(y))
vld_index(c(-1))
vld_index(c(3L, 1L))
# }