libghc-dlist-instances-prof 0.1.1.1-6build2 (amd64 binary) in ubuntu hirsute

 This package is the canonical source for some orphan instances for
 the dlist (difference list) packages. Orphan instances are placed
 here to avoid dependencies elsewhere.
 .
 This package provides a library for the Haskell programming language, compiled
 for profiling. See http://www.haskell.org/ for more information on Haskell.