libghc-vector-prof 0.12.0.3-2 (amd64 binary) in ubuntu focal

 An efficient implementation of Int-indexed arrays (both mutable and
 immutable), with a powerful loop fusion optimization framework.
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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.