module TypesPractice where import Prelude hiding ((.),Maybe(..),even,flip,map) — * Notes — 1. On the quiz, I’ll only give you the types of relevant functions, not — their implementations. I assume that you know Haskell’s Bool and list — data types, and so won’t repeat their definitions here or on the quiz. — All other data […]
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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
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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module SyntaxPractice where — — * Practice Set 1 — — 1. Determine whether each string can be generated by the grammar. If the — string can be generated, determine which syntactic category it belongs — to. For each problem, write either Expr, Stmt, or Prog to indicate its — syntactic category, or write “syntax
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module TypesPractice where import Prelude hiding ((.),Maybe(..),even,flip,map) — * Notes — 1. On the quiz, I’ll only give you the types of relevant functions, not — their implementations. I assume that you know Haskell’s Bool and list — data types, and so won’t repeat their definitions here or on the quiz. — All other data
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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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Midterm reference solution Hello, class, We’re still grading midterm but it will be finished soon. Let me write down the solution for your reference. This is not the only solution. And I think other TAs may post their parts later. Question 1 “Explain each of the diagnostics”: for (a) and (b), just rephrase the error
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UCLA CS 131 lecture 2021-01-05 Core of this class (core of programming languages) 1. Principles and limitations of programming models. 2. Notations for these models, design + use + support for the above. 3. How to evaluate strengths + weaknesses in various contexts. Let¡¯s do a quiz (won¡¯t count for a grade). Write a program
**HW 1: Due May 10, 2022, 23:59** In this assignment, you will implement a verifier based on the weakest-precondition/VCGen methodology. Copyright By PowCoder代写 加微信 powcoder We will work with programs that are written in a subset ECMAScript and translate them into our imperative language Nano. Requirements ———— Install Microsoft’s Z3 SMT solver – Linux: https://www.howtoinstall.me/ubuntu/18-04/z3/
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Artificial Intelligence: Logic Programming II Oliver Ray Datalog From Datalog to Prolog Datalog Last week, you began your exploration of Prolog from a very simple database perspective (known as Datalog) in which • Prolog facts → relational database • one predicate per table; one fact per row • Prolog rules → relational views • intentional