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The Eric Normand Podcast
Eric Normand
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An off-the-cuff stream of Functional Programming ideas, skills, patterns, and news from Functional Programming expert Eric Normand of LispCast. Formerly known as Thoughts on Functional Programming.
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25-09-2023
All about the stratified design lens
In this episode, I introduce the stratified design lens, which talks about how and why we split things into layers.
Episodes
25-09-2023
All about the stratified design lens
In this episode, I introduce the stratified design lens, which talks about how and why we split things into layers.
19-09-2023
All about the time lens
In this episode, I introduce the time lens, and I posit a law about representing time in complex domains.
11-09-2023
All about the volatility lens
In this episode, I introduce the volatility lens, which seeks to help us write code that deals with a changing world.
31-07-2023
All about the architecture lens
In this episode, I introduce the architecture lens, its questions, and its goal of modeling architectural domains to manage complexity.
24-07-2023
All about the executable specification lens
In this episode, I introduce the executable specification lens, its questions, and its goal of getting to runnable, testable code as quickly as possible.
10-07-2023
All about the composition lens
In this episode, I introduce the composition lens, its questions, and its goal of figuring what's true when you perform multiple operations in a row.
03-07-2023
All about the operation lens
In this episode, I introduce the operation lens, its questions, and its goal of capturing the use cases of your software.
26-06-2023
Data lens
In this episode, I introduce the data lens, its questions, and its goals of capturing relationships among data values in data.
19-06-2023
All about the domain lens
In this episode, I introduce the domain lens, its questions, and its goal.
12-06-2023
How does executable specifications compare with other modeling paradigms?
In this episode, I compare executable specifications to UML, DDD, and software design.
05-06-2023
What is the title of my new book?
I've found a better title for my book: Executable Specifications. Listen to find out why it's better.
29-05-2023
What are the domain modeling lenses?
I'm organizing my new book in terms of lenses. Each lens focuses our attention on one important aspect of software design. In this episode, I briefly introduce each lens.
22-05-2023
How is domain modeling evolving these days?
I talk about the progress I've made on my book and why I'm throwing it away and starting over.
15-05-2023
Why don't I encounter more type errors when programming in Clojure?
I give another reason why I don't encounter so many type errors in Clojure.
08-05-2023
What is the "reify to an interpreter" refactoring?
Watch the creation of a simple refactoring to turn functions into data.
24-04-2023
How to teach an essential skill in domain modeling?
One important skill in domain modeling is learning to see the semantics of your language, past the habits you've developed. To do that, it helps to see the same example in multiple languages. So how do I show examples in multiple languages without expanding the size of my book?
17-04-2023
What is an isomorphism?
An isomorphism is a one-to-one mapping from two sets, and encoding your domain model involves finding a mapping between the real world and your code. So does domain modeling involve isomorphism?
10-04-2023
Applying domain modeling to an existing data structure
Domain modeling also works after you've already got lots of code. How can we apply domain modeling analysis to existing data structures?
20-02-2023
What is the commutative property?
We discuss the commutative property, why we use it, and three different possible meanings.
13-02-2023
Why is the associative property important?
We look at several examples where the associative property gives us expressive power.