is_in: Checks whether all elements of one variable are in another

In msgr: Extends Messages, Warnings and Errors by Adding Levels and Log Files

Description

Checks whether all elements of one variable are in another

Usage

is_in(x, y)

Arguments

x	(any) The object with elements to test
y	(any) The object with elements to test against

Value

TRUE if all elements in x are in y, FALSE otherwise

Examples

is_in("a", letters)
is_in(c("a", "b", "c"), letters)

is_in(1, LETTERS)
is_in(1:2, LETTERS)

msgr documentation built on Dec. 16, 2019, 5:41 p.m.