libghc-tasty-golden-dev 2.3.1.2-1 (armhf binary) in ubuntu cosmic

 This library provides support for golden testing. A golden test is an
 IO action that writes its result to a file. To pass the test, this
 output file should be identical to the corresponding golden file,
 which contains the correct result for the test.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.