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/var/lib/ghc/package.conf.d/intern-0.9.1.1.conf is in libghc-intern-dev 0.9.1.1-1build1.

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name: intern
version: 0.9.1.1
id: intern-0.9.1.1-8fa777e3de27c1a5742a485d930a6765

license: BSD3
copyright: Copyright (C) 2011 Edward A. Kmett
maintainer: Edward A. Kmett <ekmett@gmail.com>
stability: experimental
homepage: http://github.com/ekmett/intern/
package-url:
synopsis: Efficient hash-consing for arbitrary data types
description: Changes from 0.8 to 0.9
             .
             * Removed 'identity' from the Interned class, to support applications where the identity is obtained by other means (e.g. a unique Ptr value)
             .
             Changes from 0.7 to 0.8
             .
             * Disabled cache removal as it was causing problems on large data sets. There is no good way to ensure that both references remain alive long enough to finish comparisons.
             * Switched to IORef from MVar
             .
             Changes from 0.6 to 0.7
             .
             * Fixed problem where comparisons could happen between data structures while one was still a thunk, leading to equal structures comparing as inequal in limited circumstances, by appropriately using strictness annotations.
             .
             Efficient hash-consing for arbitrary data types
             .
             Changes from 0.5.2 to 0.6
             .
             * Widened the caches so they don't go through a single MVar per type. This has made a dramatic impact on performance. However, this broke the previous invariant that newer entries always had higher Ids than older entries.
             .
             Changes from 0.5.1 to 0.5.2
             .
             * Added Data.Interned.IntSet
category: Data, Data Structures
author: Edward A. Kmett
exposed: True
exposed-modules: Data.Interned Data.Interned.ByteString
                 Data.Interned.String Data.Interned.Text Data.Interned.IntSet
                 Data.Interned.Internal Data.Interned.Internal.ByteString
                 Data.Interned.Internal.String Data.Interned.Internal.Text
hidden-modules:
trusted: False
import-dirs: /usr/lib/haskell-packages/ghc/lib/intern-0.9.1.1/ghc-7.6.3
library-dirs: /usr/lib/haskell-packages/ghc/lib/intern-0.9.1.1/ghc-7.6.3
hs-libraries: HSintern-0.9.1.1
extra-libraries:
extra-ghci-libraries:
include-dirs:
includes:
depends: array-0.4.0.1-3b78425c10ff2dad7acf7e8c8ae014c3
         base-4.6.0.1-8aa5d403c45ea59dcd2c39f123e27d57
         bytestring-0.10.0.2-4f93248f75667c2c3321a7a6761b576f
         hashable-1.2.1.0-7e83190fbb1b0ba81d7022fa876f0f8b
         text-0.11.3.1-e38859e86485c167fa7c9441789e7607
         unordered-containers-0.2.3.0-9584b653deee0b5f16062e26c5ddf569
hugs-options:
cc-options:
ld-options:
framework-dirs:
frameworks:
haddock-interfaces: /usr/lib/ghc-doc/haddock/intern-0.9.1.1/intern.haddock
haddock-html: /usr/share/doc/libghc-intern-doc/html/