libghc-knob-dev 0.1.1-3 (arm64 binary) in ubuntu trusty

 Create memory-backed Handles, referencing virtual files. This is mostly useful
 for testing Handle-based APIs without having to interact with the filesystem.
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 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.