Binary package “libghc-string-conversions-prof” in ubuntu bionic

simplifies dealing with different types for strings; profiling libraries

 Provides a simple type class for converting values
 of different string types into values of other string types.
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 This package provides a library for the Haskell programming language, compiled
 for profiling. See http://www.haskell.org/ for more information on Haskell.