To install Moose::Meta::Attribute::Custom::Trait::Lvalue, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Moose::Meta::Attribute::Custom::Trait::Lvalue
CPAN shell
perl -MCPAN -e shell install Moose::Meta::Attribute::Custom::Trait::Lvalue
For more information on module installation, please visit the detailed CPAN module installation guide.