Concrete testing of some code samples.
Concrete testing of some code samples.

typelevel/typelevel.github.com,S11001001/typelevel.github.com,typelevel/typelevel.github.com,melrief/typelevel.github.com,S11001001/typelevel.github.com,typelevel/typelevel.github.com,melrief/typelevel.github.com,S11001001/typelevel.github.com,melrief/typelevel.github.com,S11001001/typelevel.github.com,melrief/typelevel.github.com