assert_all_finite: Assert that all values are finite

In assertions: Simple Assertions for Beautiful and Customisable Error Messages

Assert that all values are finite

Description

Check that all values in x are finite (not NA, NaN, Inf, or -Inf).

Usage

assert_all_finite(x, msg = NULL, call = rlang::caller_env(), arg_name = NULL)

Arguments

x	An object
msg	The error message thrown if the assertion fails (string)
call	Only relevant when pooling assertions into multi-assertion helper functions. See cli_abort for details.
arg_name	Advanced use only. Name of the argument passed (default: NULL, will automatically extract arg_name).

Value

invisible(TRUE) if all values in x are finite, otherwise aborts with the error message specified by msg

Examples

try({
assert_all_finite(c(1, 2, 3)) # Passes
assert_all_finite(c(1, Inf)) # Throws error
})

assertions documentation built on Feb. 13, 2026, 5:06 p.m.