Haskell代写代考

— setting the “warn-incomplete-patterns” flag asks GHC to warn you — about possible missing cases in pattern-matching definitions {-# OPTIONS_GHC -fwarn-incomplete-patterns #-} — see https://wiki.haskell.org/Safe_Haskell {-# LANGUAGE Safe #-} ——————————————————————————— ————————– DO **NOT** MODIFY THIS FILE ————————– ——————————————————————————— import System.Environment import Parser import Optimization import PrettyPrinting main :: IO() main = do args

— see https://wiki.haskell.org/Safe_Haskell {-# LANGUAGE Safe #-} ——————————————————————————— ————————– DO **NOT** MODIFY THIS FILE ————————– ——————————————————————————— — Functional parsing library from chapter 13 of Programming in Haskell, — Graham Hutton, Cambridge University Press, 2016. module Parsing (module Parsing, module Control.Applicative) where import Control.Applicative import Data.Char — Basic definitions newtype Parser a = P (String ->

— setting the “warn-incomplete-patterns” flag asks GHC to warn you — about possible missing cases in pattern-matching definitions {-# OPTIONS_GHC -fwarn-incomplete-patterns #-} — see https://wiki.haskell.org/Safe_Haskell {-# LANGUAGE Safe #-} ——————————————————————————— ————————– DO **NOT** MODIFY THIS FILE ————————– ——————————————————————————— module AbstractSyntax where type Identifier = String data OpName = Or — || | And — &&

— setting the “warn-incomplete-patterns” flag asks GHC to warn you — about possible missing cases in pattern-matching definitions {-# OPTIONS_GHC -fwarn-incomplete-patterns #-} — see https://wiki.haskell.org/Safe_Haskell {-# LANGUAGE Safe #-} module Parser (parseProgram) where import Data.Char import Control.Monad import AbstractSyntax import Parsing program :: Parser Program expr, expr1, expr2, expr3, expr4, expr5, expr6, expr7 :: Parser

#!/bin/sh runhaskell –ghc-arg=”-package mtl” RunOptimize.hs $1

— setting the “warn-incomplete-patterns” flag asks GHC to warn you — about possible missing cases in pattern-matching definitions {-# OPTIONS_GHC -fwarn-incomplete-patterns #-} — see https://wiki.haskell.org/Safe_Haskell {-# LANGUAGE Safe #-} ——————————————————————————— ————————– DO **NOT** MODIFY THIS FILE ————————– ——————————————————————————— module IOPrime (IO’, putChar’, getChar’, putStr’, putStrLn’, getLine’, getContents’, interact’, translate, pipe, pipeR) where data IO’ a

— setting the “warn-incomplete-patterns” flag asks GHC to warn you — about possible missing cases in pattern-matching definitions {-# OPTIONS_GHC -fwarn-incomplete-patterns #-} — see https://wiki.haskell.org/Safe_Haskell {-# LANGUAGE Safe #-} ——————————————————————————— ————————– DO **NOT** MODIFY THIS FILE ————————– ——————————————————————————— module PrettyPrinting where import AbstractSyntax indentation = 2 spaces n = take n (repeat ‘ ‘) ppProgram