X-Git-Url: http://git.megacz.com/?p=coq-hetmet.git;a=blobdiff_plain;f=examples%2FDemo.hs;h=bb3bf17dfc0d701a7af33f691e5adce2d650febb;hp=74bbef0ef54ecdd731b6f8e0e1384ebeaae86e33;hb=6282ce834832ba35e81d8019cae1ca38d187d07e;hpb=15df3430938d7175361b848de6578aea195e612f diff --git a/examples/Demo.hs b/examples/Demo.hs index 74bbef0..bb3bf17 100644 --- a/examples/Demo.hs +++ b/examples/Demo.hs @@ -1,10 +1,171 @@ -{-# OPTIONS_GHC -XRankNTypes -XScopedTypeVariables -XFlexibleContexts -XModalTypes -XKindSignatures -fcoqpass -XMultiParamTypeClasses -dcore-lint #-} -import GHC.HetMet.GArrow -import GHC.HetMet.CodeTypes -import GHC.HetMet.Private -import GArrowTikZ - -foo x = <[ ~~x ]> -foo' = unG . pga_flatten . foo . pga_unflatten ---foo x z = <[ let y = ~~x in ~~z y y ]> -main = tikz (foo' (PGArrowD { unG = TikZ_const 12 })) +{-# OPTIONS_GHC -XModalTypes -fflatten -funsafe-skolemize -dcore-lint -XScopedTypeVariables -fsimpleopt-before-flatten #-} +module Demo (demo) where + +{- +demo const mult = + <[ \y -> + ~~mult + (~~mult y y) + (~~mult y y) + ]> +-} + + + + + + +{- +demo const mult = + <[ \y -> + ~~mult + (~~mult (~~mult y y) (~~mult y y)) + (~~mult (~~mult y y) (~~mult y y)) + ]> +-} + + + +{- +demo const mult = + <[ \y -> ~~(foo 4) ]> + where + foo 0 = const (12::Int) + foo n = <[ let bar = ~~(foo (n-1)) + in ~~mult bar bar + ]> + +-} + + + +{- +demo const mult = + <[ \y -> ~~(foo 3) ]> + where + foo 0 = const (12::Int) + foo n = <[ let recurs = ~~(foo (n-1)) + in ~~mult recurs recurs + ]> + +-} + + + + + +demo const mult = + <[ \y -> + let foo = ~~mult (~~mult foo (~~mult y foo)) y + in foo ]> + + + + + + + + + + + + +{- +demo const mult = + <[ \y -> ~~(foo 2 <[y]>) ]> + where + foo 0 y = const (12::Int) + foo n y = <[ let recurs = ~~(foo (n-1) y) + in ~~mult recurs recurs + ]> +-} + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +-- demo const mult = <[ \(y::Int) -> ~~mult y ~~(const 12) ]> +-- demo' n = <[ ~~mult ~~(demo' (n-1)) ~~(demo' (n-1)) ]> +-- golden +{- +demo const mult = + <[ \y -> + let twelve = ~~mult twelve y + in twelve ]> +-} + +{- +demo const mult = + <[ \y -> let y = ~~(const 4) in ~~mult (~~mult y y) (~~mult y y) ]> +-} + +{- +demo const mult = + <[ \(y::Int) -> + let four = ~~mult four ~~(const 4) +-- twelve = {- {- ~~mult four -} ~~(const 12) -} four + in four + ]> +-} +demo :: + forall c . + (Int -> <[Int]>@c) -> + <[Int -> Int -> Int]>@c -> + <[Int -> Int]>@c + +{- +demo const mult = + <[ let twelve = ~~(const (12::Int)) + in let four = ~~(const (4::Int)) + in ~~mult four twelve ]> +-} + +{- +demo const mult = demo' 3 + where + demo' 0 = const 12 + demo' 1 = const 12 + demo' n = <[ ~~mult ~~(demo' (n-1)) ~~(demo' (n-2)) ]> +-} + +-- BUG +--demo const mult = <[ \y -> ~~(demo' 0) ]> +-- where +-- demo' 0 = const 4 +-- demo' n = const 4