Install libclass-returnvalue-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libclass-returnvalue-perl
Description:
return-value object that can be treated as boolean, array or object
Class::ReturnValue is a "clever" return value object that can allow code calling your routine to expect: a boolean value (did it fail) or a list (what are the return values)
Homepage: https://metacpan.org/release/Class-ReturnValue
Version: 0.55-2
Section: universe/perl