Web Engine Hackfest 2025
meet
  • Labs
    • TFA: Final Project
    • Extending JavaScript
    • Calculator. Funs on the left side. Multiple arguments
    • Types and Loops
    • Functions
    • Scope Intro
    • Hello Compiler
    • Translating Arithmetic Expressions to JavaScript
    • IAAS
    • Visual Studio Code and Gitpod
    • GitHub Project Board
    • Markdown
    • GitHub Campus Expert
    • Fill the form
  • Classes
    • May
      • Lecture 2025-05-07
      • Lecture 2025-05-06
      • Lecture 2025-05-05
    • April
      • Lecture 2025-04-29
      • Lecture 2025-04-28
      • Lecture 2025-04-23
      • Lecture 2025-04-22
      • Lecture 2025-04-21
      • Lecture 2025-04-09
      • Lecture 2025-04-08
      • Lecture 2025-04-07
      • Lecture 2025-04-02
      • Lecture 2025-04-01
    • March
      • Lecture 2025-03-31
      • Lecture 2025-03-26
      • Lecture 2025-03-25
      • Lecture 2025-03-24
      • Lecture 2025-03-19
      • Lecture 2025-03-17
      • Lecture 2025-03-12
      • Lecture 2025-03-11
      • Lecture 2025-03-10
      • Lecture 2025-03-05
    • February
      • Lecture 2025-02-26
      • Lecture 2025-02-25
      • Lecture 2025-02-24
      • Lecture 2025-02-19
      • Lecture 2025-02-18
      • Lecture 2025-02-17
      • Lecture 2025-02-12
      • Lecture 2025-02-11
      • Lecture 2025-02-10
      • Lecture 2025-02-05
      • Lecture 2025-02-04
    • January
      • Lecture 2025-01-29
      • Lecture 2025-01-28
      • Lecture 2025-01-27
  • Topics
      • Publishing a npm module
      • mocha
      • Mocking and Stubbing
      • Documentation guide
      • Signing up in npm
      • Codespaces
      • Covering
      • The Open Closed Principle and the Strategy Pattern
      • Documenting JavaScript Programs
      • GitHub Actions: An Introduction
      • GitHub Registry
      • GitPod: VS Code in Browsers
      • Jest
      • Jest Build Lexer Example
      • Maps Vs Weakmaps
      • Mdx
      • Pruebas, IntegraciĂłn y Calidad
      • Problems publishing a private module to the GitHub Package Registry
      • Releases
      • Travis
      • VSCode
      • Organization
      • Correccion De Practicas
      • Challenges Instructions
      • Introduction to Espree
      • Introduction to Babel
      • Introduction to Parsers
    • Regular Expressions and Lexical Analysis
      • IntroducciĂłn a las Expresiones Regulares
      • GeneraciĂłn de Analizadores LĂ©xicos
      • Unicode, UTF-16 y JavaScript
      • LR Analysis
      • Abstract Syntax Trees
        • Ast Description
        • Egg Grammar
        • Egg Parsers Ast
        • Ejercicio: Gramática de la versiĂłn Inicial de Egg
        • IntroducciĂłn al Análisis Sintáctico
        • Ll1
        • Solucion Ejercicio Gramar Egg Inicial
      • Gramáticas y Lenguajes
      • The Design of Programming Languages
      • left-side
      • Callables
      • Left Side
      • Ownership
      • Rank Polymorphism
      • What Is a Tensor
      • Langium: A language engineering tool
      • Langium Example
      • Language Server Protocol
      • Models and Metamodels
      • Grammars, Metamodels, Ontologies
      • Babel Templates
      • Scope in Babel
        • Introduction to Babel
        • Pattern Matching Proposal and Plugin
        • @babel/how-to at HolyJS 2019
        • Manipulate Options
        • Optional Chain
        • Optional Chaining Proposal
        • Optional Property
        • Privatename
        • Void
      • TC39
      • Debugging
      • Optional Chaining in the Parser
      • Parser
          • Index Context
          • Plugin JSX Context
          • 42plus3ast
        • Exercise Complex as Bigint
        • Slash Beforeexpr
        • Yield and Startexpr
      • References
      • Scope Analysis
      • Tokenizer
      • Webengine
      • Basicblocks
      • Structural Equality
      • Experiment
      • Index
      • Your workflow when adding a new feature to your translator
      • Introduction to Babel
      • Master the AST
      • Ast Types
      • Recast
      • Jscodeshift
      • Jscodeshift API
      • Jscodeshift Testing
      • Jscodeshift Transformation Module
      • Basic Concepts
      • WebEngine Hackfest
  • References
  • Resources
    • GitHub Resources
    • ULL Resources
  • Schedules

On this page

  • Left Side
  • What Is Ownership?
  • Colorless green ideas sleep furiously
  • Other Courses Related Classes
TopicsSyntax AnalysisThe Design of Programming Languages

The Design of Programming Languages

Left Side

Left Side

What Is Ownership?

What Is Ownership?

Colorless green ideas sleep furiously

Colorless green ideas sleep furiously

When a phrase is syntactically correct there is a chance to consider for a while if it is some meaning in it

Other Courses Related Classes

  • Class 2022-04-25
  • Class 2022-04-26
Gramáticas y Lenguajesleft-side

ULL 2025 © Casiano Rodríguez León. Notes for the 24/25 Programming Languages course within the Informatics degree program at ULL.