CPSC 312 — Functional and Logic Programming Assignment 4 is due next Thursday! No textbook for logic programning; see readings tab. Get SWI Prolog. “Learn at least a half dozen programming languages. Include one language that emphasizes class abstractions (like Java or C++), one that emphasizes functional abstraction (like Lisp or ML or Haskell), one […]
Thought for the day “A language that doesn’t affect the way you think about programming, is not worth knowing.” — Alan J. Perlis, Epigrams on Programming, 1982 ©D. Poole 2021 CPSC 312 — Lecture 2 1 / 16 Overview Last class Examples of simple Haskell programs. Infix and prefix functions Today How Haskell works Basic
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— CPSC 312 – 2021 – Games in Haskell —– Same as Magic_sum except that it hashes module MagicSum_hash where import Hash — To run it, try: — ghci — :load MagicSum_ord_hash data State = State InternalState [Action] — internal_state available_actions deriving (Ord, Eq, Show) data Result = EndOfGame Double State — end of game:
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Question 1 [8 marks] Consider the program dw _ [] = [] dw p (h:t) | p h = dw p t | otherwise = (h:t) The University of British Columbia Department of Computer Science Midterm Examination 1 — Fall 2019 Computer Science 312 Functional and Logic Programming (a) [4 marks] What is the inferred
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Announcements “Everything should be made as simple as possible, but not simpler.” — attributed to Albert Einstein ©D. Poole 2021 CPSC 312 — Lecture 14 1 / 13 Haskell covered since midterm type defines a type name as an abbreviation for other types data defines new data structures (and a type) and constructors / deconstuctors
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— CPSC 312 – 2019 – Binary Search Tree Dictionaries in Haskell module HashTreeDict (Dict, emptyDict, — Dict k v getval, — (Hash k, Ord k) => k -> Dict k v -> Maybe v insertval, — (Hash k, Ord k) => k -> v -> Dict k v -> Dict k v tolist, —
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— CPSC 312 – 2021 – Games in Haskell — Minimax with Memory module Minimax_mem where — To run it, try: — ghci — :load Minimax_mem — Uncomment one of the following — import MagicSum import MagicSum_ord — import CountGame — import CountGameNew — Uncomment one of the following import TreeDict –import FunDict type Mem
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— CPSC 312 – 2021 – Priority Queues in Haskell — Copyright David Poole 2021, released on GNU General Public License module PrioriryQueue (PQ, — type of priority queue emptyPQ, — PQ v isEmptyPQ, — PQ v -> Boolean popPQ, — (Ord v) => PQ v -> (v, PQ v) pushPQ, — (Ord v) =>
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Announcements I have made this longer than usual because I have not had time to make it shorter. Blaise Pascal, 1657 I have already made this paper too long, for which I must crave pardon, not having now time to make it shorter. Benjamin Franklin, 1750 From https: //quoteinvestigator.com/2012/04/28/shorter-letter/ ©D. Poole 2021 CPSC 312 —
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— CPSC 312 – 2019 – Games in Haskell — Minimax with Memory module Minimax_mem_hash where — To run it, try: — ghci — :load Minimax_mem_hash — Uncomment one of the following import MagicSum_hash — import MagicSum_ord_hash — import MagicSum_ord_hash — Uncomment one of the following –import TreeDict import HashTreeDict –import FunDict type Mem =
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