cabal-version:      >=1.10
name:               dec
version:            0.0.5
x-revision:         1
synopsis:           Decidable propositions.
category:           Data, Dependent Types
description:
 This package provides a @Dec@ type.
 .
 @
 type Neg a = a -> Void
 .
 data Dec a
 \    = Yes a
 \    | No (Neg a)
 @

homepage:           https://github.com/phadej/dec
bug-reports:        https://github.com/phadej/dec/issues
license:            BSD3
license-file:       LICENSE
author:             Oleg Grenrus <[email protected]>
maintainer:         Oleg.Grenrus <[email protected]>
copyright:          (c) 2019-2021 Oleg Grenrus
build-type:         Simple
extra-source-files: ChangeLog.md
tested-with:
 GHC ==7.8.4
  || ==7.10.3
  || ==8.0.2
  || ==8.2.2
  || ==8.4.4
  || ==8.6.5
  || ==8.8.4
  || ==8.10.7
  || ==9.0.2
  || ==9.2.6
  || ==9.4.4
  || ==9.6.1

source-repository head
 type:     git
 location: https://github.com/phadej/dec.git

library
 default-language: Haskell2010
 hs-source-dirs:   src
 ghc-options:      -Wall -fprint-explicit-kinds
 exposed-modules:  Data.Type.Dec
 build-depends:
     base    >=4.7 && <4.19
   , boring  >=0.2 && <0.3

 if !impl(ghc >=7.10)
   build-depends: void >=0.7.3 && <0.8

 if impl(ghc >=9.0)
   -- these flags may abort compilation with GHC-8.10
   -- https://gitlab.haskell.org/ghc/ghc/-/merge_requests/3295
   ghc-options: -Winferred-safe-imports -Wmissing-safe-haskell-mode