ppetr
/ DualKnot.hs
Created
October 6, 2016 19:55
— forked from anonymous/DualKnot.hs
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| {-# LANGUAGE TypeFamilies #-} | |
| import Data.Functor | |
| import Data.Functor.Compose | |
| import qualified Data.Foldable as F | |
| import Data.Knot | |
| import qualified Data.Map as M | |
| import qualified Data.Traversable as T | |
| -- * Functor data types | |
| -- ** Person' |
ppetr
/ Parser.y
Last active
December 10, 2015 23:59
— forked from anonymous/Parser.y
A small parser for a simple exercise functional language. Example: `(fix fact . \x . ifzero x 1 (mul x (fact (minus x 1)))) 10`.
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| { | |
| module Parser where | |
| import Data.Char | |
| -- | Built-in functions in our language: | |
| data BuiltFn | |
| = Nat Integer -- ^ Natural number | |
| deriving (Eq, Ord, Read, Show) |