mirai (version 2.5.1)

require_daemons: Require Daemons

Description

Returns TRUE only if daemons are set, otherwise produces an informative error for the user to set daemons, with a clickable function link if the cli package is available.

Usage

require_daemons(.compute = NULL, call = environment())

Value

Logical TRUE, or else errors.

Arguments

.compute

character value for the compute profile to use (each has its own independent set of daemons), or NULL to use the 'default' profile.

call

(only used if the cli package is installed) the execution environment of a currently running function, e.g. environment(). The function will be mentioned in error messages as the source of the error.

Examples

if (FALSE) { # interactive()
daemons(1)
require_daemons()
daemons(0)
}