Install libconstant-defer-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libconstant-defer-perl
Description:
Perl module providing constant subs with deferred value calculation
constant::defer creates constants like constant.pm, but with the value calculated only on the first call. This can save work for values only needed sometimes.
Homepage: https://metacpan.org/release/constant-defer
Version: 6-1
Section: universe/perl