testEmpty: assert/check/test/Empty

In xoopR/set6: R6 Mathematical Sets Interface

assert/check/test/Empty

Description

Validation checks to test if a given object is empty.

Usage

testEmpty(object, errormsg = "This is not an empty set")

checkEmpty(object, errormsg = "This is not an empty set")

assertEmpty(object, errormsg = "This is not an empty set")

Arguments

object	object to test
errormsg	error message to overwrite default if check fails

Value

If check passes then assert returns object invisibly and test/check return TRUE. If check fails, assert stops code with error, check returns an error message as string, and test returns FALSE.

Examples

testEmpty(Set$new())
testEmpty(Set$new(1))

xoopR/set6 documentation built on Sept. 2, 2023, 4:45 a.m.