find_references: Get first or all references of an R object

Description Usage Arguments Value

View source: R/utils.R

Description

Get first or all references of an R object

Assert that there are no references among the identified globals

Usage

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find_references(x, first_only = FALSE)

assert_no_references(x, action = c("error", "warning", "message", "string"))

Arguments

x

The R object to be checked.

first_only

If TRUE, only the first reference is returned, otherwise all references.

action

Type of action to take if a reference is found.

Value

find_references() returns a list of one or more references identified.

If a reference is detected, an informative error, warning, message, or a character string is produced, otherwise NULL is returned invisibly.


future documentation built on Jan. 8, 2021, 5:36 p.m.