check_optional_character_scalar: Check optional character scalar

In rtemis.core: Core Utilities for the 'rtemis' Ecosystem

Check optional character scalar

Description

Check optional character scalar

Usage

check_optional_character_scalar(x, arg_name = deparse(substitute(x)))

Arguments

x	Optional Character: Value to check. Must be NULL or a single non-NA, non-empty string.
arg_name	Character: Argument name to use in error messages.

Value

Called for side effects. Throws an error if checks fail.

Author(s)

EDG

Examples

check_optional_character_scalar(NULL)
check_optional_character_scalar("hello")
# Throw error:
try(check_optional_character_scalar(""))
try(check_optional_character_scalar(c("a", "b")))

rtemis.core documentation built on Sept. 20, 2026, 9:06 a.m.