is.global: Test If Environment is Global

Description Usage Arguments Value Author(s) References See Also Examples

View source: R/is.global.R

Description

A logical test to determine if the current environment is the global environment.

Usage

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is.global(n = 1)

Arguments

n

The number of generations to go back. If used as a function argument n should be set to 2.

Value

A logical response.

Author(s)

Simon O'Hanlon and Tyler Rinker <[email protected]>

References

http://stackoverflow.com/questions/18637656/detect-if-environment-is-global-enviroment

See Also

globalenv, parent.frame

Examples

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is.global()
lapply(1:3, function(i) is.global())
FUN <- function() is.global(); FUN()

FUN2 <- function(x = is.global(2)) x
FUN2()
FUN3 <- function() FUN2(); FUN3()

trinker/pax documentation built on March 21, 2018, 3:01 a.m.