Data::Keys::E::UniqSet - a key can be set only once
One key can be set only once. Second set attempt on a key will throw an exception.
Jozef Kutej
To install Data::Keys, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Data::Keys
CPAN shell
perl -MCPAN -e shell install Data::Keys
For more information on module installation, please visit the detailed CPAN module installation guide.