Learn HASKELL with Real Code Examples
Updated Nov 18, 2025
Monetization
Fintech engineering
Compiler/PL engineering
Backend development
High-assurance consulting
Future Roadmap
More ergonomic type features
Better tooling support
Improved performance
Growing adoption in finance & blockchain
When Not To Use
Mobile apps
Rapid MVP prototyping
Teams without FP experience
Large frontend development
Final Summary
Haskell is a purely functional language built for reliability and mathematical correctness.
It excels in high-assurance systems, compilers, research, and fintech.
Its type system, purity, and laziness make it uniquely powerful.
Though harder to learn, it rewards developers with unmatched safety and expressiveness.
Faq
Is Haskell hard?
It has a learning curve but becomes extremely powerful.
Is Haskell good for production?
Yes-used in fintech, compilers, and correctness-critical systems.
Is Haskell fast?
With optimization, Haskell can be very fast, comparable to C-like languages.
Do companies use Haskell?
Yes, especially in finance, research, compilers, and blockchain.