Package: libghc-ghc-typelits-knownnat-dev
Source: haskell-ghc-typelits-knownnat
Version: 0.7.12-1build2
Architecture: amd64
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Debian Haskell Group <pkg-haskell-maintainers@lists.alioth.debian.org>
Installed-Size: 517
Depends: libghc-base-dev-4.18.2.1-8e81e, libghc-ghc-dev-9.6.6-2b207, libghc-ghc-prim-dev-0.10.0-e2193, libghc-ghc-tcplugins-extra-dev-0.4.6-965f8, libghc-ghc-typelits-natnormalise-dev-0.7.10-10a39, libghc-template-haskell-dev-2.20.0.0-54f98, libghc-transformers-dev-0.6.1.0-5335d, libc6 (>= 2.2.5), libgmp10 (>= 2:6.3.0+dfsg)
Provides: libghc-ghc-typelits-knownnat-dev-0.7.12-a237a
Section: haskell
Priority: optional
Homepage: https://clash-lang.org/
Description: Derive KnownNat constraints from other KnownNat constraints
 A type checker plugin for GHC that can derive "complex" KnownNat
 constraints from other simple/variable KnownNat constraints. i.e. without
 this plugin, you must have both a KnownNat n and a KnownNat (n+2)
 constraint in the type signature of the following function:
 .
 f :: forall n . (KnownNat n, KnownNat (n+2)) => Proxy n -> Integer
 f _ = natVal (Proxy :: Proxy n) + natVal (Proxy :: Proxy (n+2))
 .
 Using the plugin you can omit the KnownNat (n+2) constraint:
 .
 f :: forall n . KnownNat n => Proxy n -> Integer
 f _ = natVal (Proxy :: Proxy n) + natVal (Proxy :: Proxy (n+2))
 .
 The plugin can derive KnownNat constraints for types consisting of:
 .
  * Type variables, when there is a corresponding KnownNat constraint
 .
  * Type-level naturals
 .
  * Applications of the arithmetic expression: +,-,*,^
 .
  * Type functions, when there is either:
 .
 1. a matching given KnownNat constraint; or
 .
 2. a corresponding KnownNat<N> instance for the type function
 .
 To use the plugin, add the
 .
 OPTIONS_GHC -fplugin GHC.TypeLits.KnownNat.Solver
 .
 Pragma to the header of your file.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.
Ghc-Package: ghc-typelits-knownnat-0.7.12-L6k1xXRX5f96li4HFEiwOp
