check_bool {cloudfs} | R Documentation |
Check if Argument is Single TRUE or FALSE
Description
Check if an argument is single TRUE or FALSE. As an option it is
possible to allow NULL
value when alt_null = TRUE
.
Usage
check_bool(x, alt_null = FALSE, add_msg = NULL)
Arguments
x |
Function argument that is being asserted. |
alt_null |
Logical. Should argument accept |
add_msg |
Is an additional message that can be printed over the standard function error message. You can:
|
Value
If argument is single TRUE
or FALSE
(optionally NULL
) it
returns invisible NULL
. Otherwise the function throws an error.
[Package cloudfs version 0.1.3 Index]