Introduction to Monads With Scala 3
So, you are trying to grasp the concept of monads. If you are learning functional programming, …
Continue ReadingEdmundo Lopez Bobeda, Ph.D.
Hello, I’m Edmundo López. I help companies to improve the productivity of their domain experts by creating custom tools that let them go from the problem to a solution faster and more reliably.
I enjoy spending time with my family, serving in my Church, playing classical guitar, and of course, creating tools and domain specific languages.
Posted by this author
What are Effect System and Why Do We care?
If you are new to functional programming in Scala, you probably have encountered libraries like …
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Tutorial: Basic Full Stack App With Scala 3
The goal of this tutorial is to setup a fullstack app in Scala 3. The idea of this tutorial is to …
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Introduction to Functors With Scala 3
You’ve recently started learning functional programming and have been successful in writing …
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ADTs in Scala (Part 2: ADTs vs OO-Classes)
In my latest post I presented ADTs in Scala 3. I also created a Youtube video about it (check it out …
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Exploring Scala 3 Macros: A Toy Quoted Domain Specific Language
I’ve been wanting to learn Scala 3 macros for a while. They seem well supported and documented. …
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Encoding Base58: Understanding and implementing in Scala
I recently needed to convert to and from Base58. An existing crypto library was not an option, …
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My thoughts after 6 months working with DAML: A Smart Contract Language
A smart contract is a fancy term for a “program that runs on the blockchain”. They …
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Will AI Replace Developers?
Since the release of Github Copilot and Chat-GPT, I see many posts and tweets about how AI will or …
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Xtext vs ANTLR vs Parser Combinators
So you have decided that you need a parser, a real one. Now you need to decide what to use to …
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Changing gears: Enter Scala
I started writing this blog with a strong focus on language engineering and low code. I’m …
Continue ReadingXtext Tip: Embrace Model-Driven Development
Xtext has a strong foundation in Model-Driven Development. Most people who start working with it do …
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From Java to Javascript
In this article I want to share my experiences trying to get started with language engineering on …
Continue ReadingXtext Tip: Adding importURI support
In a previous post I showed how to use the import namespace feature of Xtext. This feature helps to …
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LSP and Xtext Tutorial: Creating the VS Code Client
This post is a continuation of my LSP and Xtext Tutorial. In my latest post I created a language in …
Continue ReadingLSP and Xtext Tutorial: Creating the language
This post is a continuation of my LSP and Xtext Tutorial. In this post I present how to create the …
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LSP and Xtext Tutorial: Introduction
The Language Server Protocol (LSP), created by Microsoft, is one of the latest and greatest tools in …
Continue ReadingXtext Tip: Add custom code to your generated model
If you are into EMF modeling, you know that you can define custom operations and fields in EMF …
Continue ReadingXtext Tip: Some reasons to use a separated EMF model
In a previous tip I showed how to migrate from a generated EMF model to a manually maintained one. …
Continue ReadingXtext Tip: Migrating to manual EMF model
Xtext is very good at inferring a metamodel from a grammar but it has its limitations. After …
Continue ReadingXtext Tip: Adding importedNamespace support
If you look at Xtext’s documentation here, there is a mention of the possibility of adding …
Continue ReadingXtext Tip: Context dependent FQNs in Xtext
One of my favorite features of Xtext is the ability to have context dependant FQNs. One application …
Continue ReadingXtext Tip: How to make a DSL generate code from the code generated from another DSL
Sometimes it happens that you have an Xtext DSL that needs generate code to be consumed by another …
Continue ReadingXtext Tip: Use validation to enforce constraints
Sometimes, you need some constraints for your DSL and you can use the grammar language for that. …
Continue ReadingXtext Tip: Add custom values to your DSL
Sometimes we have a value that has different representations. For example, an integer can be …
Continue ReadingXtext Tip: How to change the default delimiter of your FQNs
In a previous tip I showed how to add FQN support to your Xtext DSL. In this tip, we are going to …
Continue ReadingXtext Tip: How to use fully qualified names in your language
Xtext allows to easily add support for fully qualified names in your language. The full code for …
Continue ReadingXtext Tip: Use Java instead of Xtend
Xtend is a wonderful language. It is specially practical when traversing ASTs and it is the best …
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Why do companies build custom low-code tools?
In this post I explore some some common reasons that justify the effort of creating a custom …
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Should a company use a low code solution or an MDE tool?
When researching low-code and MDE software, I realized that the former is marketing itself as a …
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When is cookie cutter good?
One of the complaints I read the most about low-code tools or code generators in general is that …
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What is MDE?
In a previous post I presented what low-code is, and also pointed to a paper explaning the …
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Low-code development vs. MDE
Today I want to share with you this excellent article about MDE (Model-Driven Engineering) and …
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The main problem you will face when choosing a low-code platform
Today I found thread on reddit about a programmer being put on a no-code project and having a very …
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How to specify features when dealing with textual DSLs
Today I will be discussing how to do specify features when dealing with textual DSLs. There is …
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What is low-code?
I’ve been working with DSLs since 2009, but I’ve recently become aware of the term low …
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Risks when your low code app becomes too complex
Low code sounds like a great idea but there are some caveats. One of those problems are that …
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What is being done with low-code in the industry?
You might have heard of the term low-code, specially if you read this blog. But what can be done …
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Who is your DSL for?
When you are thinking of creating a DSL (or custom low-code/no-code app, if we use the trendy terms …
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A tale of two tools
Recently I had two epiphanies in the tooling I use. The first one happened as I was tired of my …
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Ledger: A DSL for accounting
Ledger is a Unix command line tool to do double-entry accounting using only text files. I personally …
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What happens to open sources project who lose their main sponsor
I recently read the Xtext framework is seriously needing contributions or its future is at risk. The …
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How DSLs can remove the bottleneck from the development team
In his book, The Goal, Eliyahu M. Goldratt presents a way to optimize a plant using his Theory of …
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Use-cases for rule-based automation
In my last post post I introduced different alternatives to simplify the creation of RPA bots. In …
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Three ways of implementing RPA - Robotic Processing Automation
Robotic Processing Automation (RPA) is a technique used by companies to automate tasks that normally …
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MDE Tools: EMF
In my last post I informally introduced the notion of metamodel and mentioned that one of the tools …
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Basic concepts: Metamodeling
This is an informal introduction to metamodeling. The target audience for this post are developers …
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Interoperability of web-based modeling tools
While doing some research on web-based tool, I recently found this excellent article by the team at …
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The toy example as a specification device
Agile methodologies are pervasive in today’s development culture. The ideas are used not only …
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From Eclipse to VS Code: First impressions
I have been developing using the Eclipse IDE basically since college. In those days, being able to …
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What do we mean by software for engineers?
In this post I’m presenting a very broad overview of what I consider to be tooling for …
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The rise of the super editor
When I first learned to program in the late 90s, it was with JavaScript. I was 16 years old, and I …
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My first post
Hello, I’m Edmundo López. I help companies to improve the productivity of their domain experts …
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