name:          void
category:      Data Structures
version:       0.5.11
x-revision: 3
license:       BSD3
cabal-version: >= 1.6
license-file:  LICENSE
author:        Edward A. Kmett
maintainer:    Edward A. Kmett <ekmett@gmail.com>
stability:     portable
homepage:      http://github.com/ekmett/void
bug-reports:   http://github.com/ekmett/void/issues
copyright:     Copyright (C) 2008-2012 Edward A. Kmett
synopsis:      A Haskell 98 logically uninhabited data type
description:   A Haskell 98 logically uninhabited data type, used to indicate that a given term should not exist.
build-type:    Simple

extra-source-files: .travis.yml

source-repository head
  type: git
  location: git://github.com/ekmett/void.git

flag safe
  manual: True
  default: False

library
  exposed-modules:
    Data.Void
    Data.Void.Unsafe

  -- reject GHC 7.2 due to bug fixed in void-0.5.12
  build-depends: base < 4.4 || >= 4.5
  build-depends:
    base       >= 3 && < 4.8,
    semigroups >= 0.8.2 && < 0.17

  ghc-options: -Wall

  if flag(safe)
    cpp-options: -DSAFE

  if impl(ghc)
    extensions: DeriveDataTypeable
    cpp-options: -DLANGUAGE_DeriveDataTypeable