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[ Source: haskell-ghc-typelits-natnormalise  ]

Package: libghc-ghc-typelits-natnormalise-prof (0.7.10-1 and others)

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GHC typechecker plugin for types of kind GHC.TypeLits.Nat; profiling libraries

A type checker plugin for GHC that can solve equalities and inequalities of types of kind @Nat@, where these types are either: 

  * Type-level naturals


  * Type variables


  * Applications of the arithmetic expressions (+,-,*,^).

It solves these equalities by normalising them to sort-of SOP (Sum-of-Products) form, and then perform a simple syntactic equality.

For example, this solver can prove the equality between:

(x + 2)^(y + 2)

and

4*x*(2 + x)^y + 4*(2 + x)^y + (2 + x)^y*x^2

Because the latter is actually the SOP normal form of the former.

To use the plugin, add the

OPTIONS_GHC -fplugin GHC.TypeLits.Normalise

Pragma to the header of your file.

This package provides a library for the Haskell programming language, compiled for profiling. See http://www.haskell.org/ for more information on Haskell.

Other Packages Related to libghc-ghc-typelits-natnormalise-prof

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Download for all available architectures
Architecture Version Package Size Installed Size Files
alpha (unofficial port) 0.7.10-1 218.0 kB2,399.0 kB [list of files]
amd64 0.7.10-1+b1 148.6 kB1,250.0 kB [list of files]
arm64 0.7.10-1+b1 171.0 kB1,649.0 kB [list of files]
armel 0.7.10-1+b1 204.6 kB1,515.0 kB [list of files]
armhf 0.7.10-1+b1 201.8 kB1,474.0 kB [list of files]
hppa (unofficial port) 0.7.10-1+b2 283.0 kB2,328.0 kB [list of files]
i386 0.7.10-1+b1 229.9 kB1,552.0 kB [list of files]
ia64 (unofficial port) 0.7.9-1+b2 262.6 kB4,915.0 kB [list of files]
m68k (unofficial port) 0.7.7-1 218.6 kB1,738.0 kB [list of files]
mips64el 0.7.10-1+b1 215.5 kB2,348.0 kB [list of files]
ppc64 (unofficial port) 0.7.10-1+b1 187.1 kB2,381.0 kB [list of files]
ppc64el 0.7.10-1+b1 190.4 kB2,276.0 kB [list of files]
riscv64 0.7.10-1+b1 303.6 kB3,441.0 kB [list of files]
s390x 0.7.10-1+b1 245.8 kB2,883.0 kB [list of files]
sparc64 (unofficial port) 0.7.10-1+b1 258.9 kB3,769.0 kB [list of files]