Fix and fill in code samples after testing.
Fix and fill in code samples after testing.

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