libghc-microlens-mtl-dev 0.2.0.1-1build1 (arm64 binary) in ubuntu groovy

 This package contains functions (like 'view' or '+=') which work on
 'MonadReader', 'MonadWriter', and 'MonadState' from the mtl package.
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 This package is a part of the microslens family.
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 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.