dot-check_list: Validate that an input is a list

In tibblify: Rectangle Nested Lists

Validate that an input is a list

Description

Validate that an input is a list

Usage

.check_list(
  x,
  ...,
  allow_null = FALSE,
  arg = caller_arg(x),
  call = caller_env()
)

Arguments

x	(any) The object to check.
...	Additional arguments passed to rlang::stop_input_type().
allow_null	(logical(1)) Whether NULL is accepted.
arg	(character(1)) An argument name. This name will be mentioned in error messages as the input that is at the origin of a problem.
call	(environment) The environment to use for error messages.

Value

NULL (invisibly) if valid; otherwise throws an error.

tibblify documentation built on May 9, 2026, 5:07 p.m.