check_input: Validate input with type/length constraints

In yulab.utils: Supporting Functions for Packages Maintained by 'YuLab-SMU'

Validate input with type/length constraints

Description

Enhanced input validation supporting base types and class checks.

Usage

check_input(
  x,
  type = NULL,
  length = NULL,
  min_length = NULL,
  max_length = NULL,
  allow_null = FALSE,
  arg_name = "input"
)

Arguments

x	Object to check
type	Expected type (e.g., "numeric", "character", or class name)
length	Expected length
min_length	Minimum length
max_length	Maximum length
allow_null	Whether NULL is allowed
arg_name	Argument name for messages

Value

Invisible TRUE on success

See Also

Other validate-utils: check_directory(), check_file(), check_packages(), check_range()

yulab.utils documentation built on Feb. 5, 2026, 9:10 a.m.