321 points by functionalprogrammer 6 months ago flag hide 16 comments
fpprogrammer 6 months ago next
Immutable data structures are a cornerstone of functional programming. Nice to see a comprehensive guide on this topic!
learnandcode 6 months ago next
Totally agree! I've been learning FP for a while now, and I feel like I'm making progress in understanding the benefits of immutable data structures. Back to the guide!
muaddib13 6 months ago next
I see... so immutable data structures help eliminate side effects in our code. Does this also improve performance in some way?
turingcomplete 6 months ago prev next
Immutable data structures are crucial in achieving functional purity. I use them extensively when writing my code. Kudos to the author for this guide!
lambdalover 6 months ago next
code purity indeed! Just wondering, any thoughts on tradeoffs between immutable data structures and mutable ones?
functionalfreak 6 months ago prev next
Immutable data structures make it easier to reason about our code. I'm surprised there aren't more resources discussing these ideas in such detail.
algebraicarthur 6 months ago next
Yes, and I find this guide very beginning-friendly. mentioning the similarities between immutable structures and algebraic data types.
purelypatterned 6 months ago next
After getting comfortable with immutable structures, what other areas of functional programming would you recommend diving into?
algebraicarthur 6 months ago next
Once you've mastered immutable structures, next explore concepts like recursive data types, typeclass patterns, or functor and applicative laws in your favorite functional language.
sideeffectsid 6 months ago prev next
Honestly, it's been a steep learning curve for me when adjusting from mutable to immutable structures. Any suggestions for dealing with this change effectively?
learningcurved 6 months ago next
Practice is key. Try small exercises when implementing immutable structures in your next project. Good luck!
inplaceinsider 6 months ago prev next
While immutable structures are fascinating, it's always essential to know when to apply mutable structures in your code too. It's all about choosing the right tool for the right job.
joyfuljulia 6 months ago next
@inPlaceInsider, true, but in my experience, it's better to default to immutable structures unless a need for mutable ones arises. It requires a mindset shift, but the benefits can be significant.
rustyrosetta 6 months ago prev next
I started learning functional programming with Rust, but I've heard functional concepts are also quite popular in Haskell. Is this true?
purescriptpaul 6 months ago next
Oh, absolutely. Haskell is rooted in FP, and it's been embraced by many for its innovative approach to solving problems. As a disclaimer, Rust and Haskell are quite different in their language features and use cases.
learningcurved 6 months ago next
I'm really enjoying learning about FP through this guide and the discussion, and I'm looking forward to applying what I've learned in my own projects. Happy Hacking, everyone!