module StackLang where import Prelude hiding (Num) — — * Syntax of StackLang — — Grammar for StackLang: — — int ::= (any integer) — bool ::= `true` | `false` — prog ::= cmd* — cmd ::= int push a number on the stack — | bool push a boolean on the stack — | […]
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COMP 352: Data Structures and Algorithms Winter 2021 – Assignment 1 Due date and time: Friday February 5th, 2021 by midnight Written Questions (50 marks): Please read carefully: You must submit the answers to all the questions below. However, only one or more questions, possibly chosen at random, will be corrected and will be evaluated
Syntax and Grammars 1 / 21 Outline What is a language? 2 / 21 What is a language? Abstract syntax and grammars Abstract syntax vs. concrete syntax Encoding grammars as Haskell data types What is a language? Language: a system of communication using “words” in a structured way Natural language • used for arbitrary communication
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Introduction to Functional Programming in Haskell 1 / 53 Outline Why learn functional programming? The essence of functional programming What is a function? Equational reasoning First-order vs. higher-order functions Lazy evaluation How to functional program Haskell style Functional programming workflow Data types Type classes Type-directed programming Refactoring (bonus section) Type inference 2 / 53 Outline
COMP 352 Data Structures and Algorithms Winter 2021 -Course Outline Instructors E-Lecture: Tutorials & POD Schedule: Please see your instructor website for full details. Tutorials and POD hours start the second week of the term. Important Note: Due to the COVID-19 pandemic, this course is offered remotely for all sections. • • 1. Topics: Abstract
module StackLang where import Prelude hiding (Num) — — * Syntax of StackLang — — Grammar for StackLang: — — int ::= (any integer) — bool ::= `true` | `false` — prog ::= cmd* — cmd ::= int push a number on the stack — | bool push a boolean on the stack — |
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Semantics 1 / 21 Outline What is semantics? Denotational semantics Semantics of naming What is semantics? 2 / 21 What is the meaning of a program? Recall: aspects of a language • syntax: the structure of its programs • semantics: the meaning of its programs What is semantics? 3 / 21 How to define the
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package comp1110.exam; import org.junit.Before; import org.junit.Rule; Copyright By PowCoder代写 加微信 powcoder import org.junit.Test; import org.junit.rules.Timeout; import java.util.Set; import static org.junit.Assert.assertEquals; * COMP1110 Exam, Question 3.2 public class Q3GetMaxArticlesInCategoryTest { public Timeout globalTimeout = Timeout.millis(500); Integer[] articleIds = new Integer[]{31353, 8091, 50223, 72758, 159979, 159973, 25781, 142540}; String[] names = new String[]{ “The Hitchhikers Guide to
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Practice exam Department of Computer Science ALGORITHMS AND DATA STRUCTURES Time Restricted Exam: You have 150 minutes to complete the exam, which includes 30 minutes for uploading files. Please ensure you have read and understood the examination instructions below before you start this practice exam: Examination Instructions Copyright By PowCoder代写 加微信 powcoder Read before starting:
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Classes and Objects 1 Class declaration Object creation Structured Programming 1110/1140/6710 Copyright By PowCoder代写 加微信 powcoder Classes and Objects 1 O1 Creating Classes and Objects The following slides describe the mechanics of creating a class and creating objects (instances of that class) in Java. Some of the mechanics will not make much sense until later
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