Function builtin_stopifnot 

fn builtin_stopifnot(
    args: &[RValue],
    _: &[(String, RValue)],
) -> Result<RValue, RError>

Assert that all arguments are TRUE, stopping with an error otherwise.

Checks each argument in order. If any element is FALSE or NA, raises an error identifying the failing argument.

@param … logical conditions that must all be TRUE @return NULL (invisibly) if all conditions pass