All Questions
Tagged with functional-programming architecture
16 questions
10
votes
4
answers
1k
views
Functional architecture with lots of I/O
I'm learning about "Functional Core, Imperative Shell" as espoused by Gary Bernhardt in his talk about "Boundaries". In reality, it seems like these ideas have been known for a ...
- 209
0
votes
1
answer
113
views
Is duplicating, deleting, pushing, and/or an object to/between lists a code smell?
I'm thinking about a structure like this.
cardGame:
players:
- john:
hand:
- card:
id: 1
suit: diamond
...
3
votes
2
answers
723
views
In which programming paradigm can't code reuse be (easily) achieved?
In a video about software architecture that I'm watching, it's stated that the main program/subroutine architectural style
promotes modularity and function reuse
Code reuse is one of the main ...
- 249
50
votes
9
answers
14k
views
Return considered harmful? Can code be functional without it?
OK, so the title is a little clickbaity but seriously I've been on a tell, don't ask (TDA) kick for a while. I like how it encourages methods to be used as messages in true object-oriented fashion. ...
- 118k
3
votes
1
answer
410
views
Dependencies between functions-only modules: hardcoding vs alternatives
In switching from a procedural background to "FP in the small, OO in the large" I'm grappling with the following problem. Suppose there're modules, each only containing numerical math functions ...
- 853
1
vote
1
answer
117
views
Simplified API one case class vs robust and multi ADT case class? [duplicate]
Below are oversimplified examples, but I wonder which route to take what is the best practice when designing API, the simple or the more complex and robust which is better?
This looks good and goes ...
- 507
24
votes
4
answers
12k
views
Should functions that take functions as parameters, also take parameters to those functions as parameters?
I often find myself writing functions that look like this because they
allow me to easily mock data access, and still provide a signature that accepts parameters to determine what data to access.
...
- 367
6
votes
1
answer
611
views
Functional core for elevator system design
How can Gary Bernhardt's "Functional Core / Imperative Shell" architecture be used to design software for an elevator system?
Specifically, let's say there are a few elevators, each with call buttons ...
- 1,115
16
votes
4
answers
3k
views
APIs and functional programming
From my (admittedly limited) exposure to functional programming languages, such as Clojure, it seems that encapsulation of data has a less important role. Usually various native types such as maps or ...
- 279
3
votes
2
answers
250
views
Dealing with states in a immutable approach [closed]
I want to know how to deal when you have some states in a program, with functions that depends on them, but with a immutable approach. I read some examples and questions, but all focus in a small ...
- 133
-1
votes
1
answer
142
views
New DDD, context-oriented, functional... approach in building business layer [closed]
We are building some business modules that must be intuitive for developers to use, so the code itself explains and forces developers to use it in certain way. This applies both for enhancing the ...
- 836
7
votes
2
answers
1k
views
Is the application architecture of Facebook Flux a new idea?
Facebook announced that it's using the architecture they call Flux to develop their projects.
It consists of a single direction dataflow, and concepts like a Dispatcher, Stores and Actions (well ...
- 179
23
votes
4
answers
4k
views
How does persistence fit into a purely functional language?
How does the pattern of using command handlers to deal with persistence fit into a purely functional language, where we want to make IO-related code as thin as possible?
When implementing Domain-...
7
votes
1
answer
2k
views
How can we calculate Big-O complexity in Functional & Reactive Programming
I started learning functional programming, I am trying to compare between different algorithms that are written in an imperative, functional , parallel programming and using Collections and Lambda ...
- 189
71
votes
12
answers
9k
views
"Everything is a Map", am I doing this right?
I watched Stuart Sierra's talk "Thinking In Data" and took one of the ideas from it as a design principle in this game I'm making. The difference is he's working in Clojure and I'm working in ...
- 6,824