containsNone
Check that an array contains none of the specified values. Returns true
if no matches are found.
Examples
Ensure no insecure packages are installed:
packages.map(name).containsNone(["telnet","rsh"])
Example output:
packages.map(name).containsNone(["telnet","rsh"])
[failed] [].containsNone()
expected: == []
actual: [
0: "telnet"
]