libghc-errors-prof 2.3.0-2build1 (armhf binary) in ubuntu focal

 This library encourages an error-handling style that directly uses the
 type system, rather than out-of-band exceptions.
 .
 This package provides a library for the Haskell programming language, compiled
 for profiling. See http://www.haskell.org/ for more information on Haskell.