exists_in_namespace: Test if object exists in namespace

In salim-b/pal: Friendly Convenience/Utility Functions

Test if object exists in namespace

Description

Determines whether or not an object exists in a specific namespace.

Usage

exists_in_namespace(x, ns, pos = -1L, envir = as.environment(pos))

Arguments

x	an object name (given as a character string).
ns	a namespace, or character string giving the namespace.
pos	where to look for the object: see get.
envir	an alternative way to specify an environment to look in.

Details

This complements utils::getFromNamespace() and uses almost the same code internally.

Value

A logical scalar.

Examples

if (pal::is_pkg_installed("pkgpurl")) {
  pal::exists_in_namespace("pkg_config", "pkgpurl")
}

pal::exists_in_namespace("pkg_config", "pal")

salim-b/pal documentation built on Feb. 28, 2025, 6:51 p.m.