erratum (version 2.2.0)

checks: Check

Description

Check whether an object is an error or a warning.

Usage

is.e(obj)
# S3 method for default
is.e(obj)
# S3 method for err
is.e(obj)
is.w(obj)
# S3 method for default
is.w(obj)
# S3 method for err
is.w(obj)
is.problem(obj)

Arguments

obj

Object to check.

Value

A boolean value.

Functions

• is.e: Whether the object is an error.

• is.w: Whether the object is a warning.

• is.problem: Whether the object is an error or a warning.

Examples

# NOT RUN {
err <- e("Whoops!")

is.e(err)
is.w(err)

# }