Kwalitee Issues

No Core Issues.


Add 'use warnings' (or its equivalents) to all modules (this will require perl > 5.6), or convince us that your favorite module is well-known enough and people can easily see the modules warn when something bad happens.

Error: Data::Monad::Identity


List all modules used in the test suite in META.yml build_requires


  • Test::Pod


Add all modules contained in this distribution to the META.yml field 'provides'. Module::Build or Dist::Zilla::Plugin::MetaProvides do this automatically for you.


Name Abstract Version View
Data::Monad An implementation of monads for Perl 0.09 metacpan
Data::Monad::Base::Monad The base class of any monads. metacpan
Data::Monad::Base::MonadZero The base class of monads which have the zero. metacpan
Data::Monad::Base::Sugar Syntax sugars for Data::Monad. metacpan
Data::Monad::Base::Util Utilities for my own use. metacpan
Data::Monad::Either The Either monad metacpan
Data::Monad::Identity The identity monad. metacpan
Data::Monad::List The List monad. metacpan
Data::Monad::Maybe The Maybe monad. metacpan
Data::Monad::Singleton The singleton monad. metacpan


Name File View
Data::Monad::Either::Left lib/Data/Monad/ metacpan
Data::Monad::Either::Right lib/Data/Monad/ metacpan

Other Files

Build.PL metacpan
Changes metacpan
MANIFEST metacpan
META.json metacpan
META.yml metacpan
README metacpan
cpanfile metacpan
dist.ini metacpan