F# Zip and Map - Fsharp Typing CST Test
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F# Zip and Map — Fsharp Code
Combining two lists using zip and map.
let xs = [1;2;3]
let ys = [4;5;6]
let sums = List.map2 (+) xs ys
printfn "%A" sumsFsharp Language Guide
F# is a functional-first, strongly typed language on the .NET platform. It blends functional, object-oriented, and imperative styles, offering concise syntax, powerful type inference, and high reliability. Ideal for data science, finance, domain modeling, and backend services.
Primary Use Cases
- ▸Financial modeling and trading systems
- ▸Data science and ML workflows
- ▸Backend microservices on .NET
- ▸Domain-driven design (DDD)
- ▸Scientific computation
- ▸Scripting & automation
- ▸High-reliability enterprise applications
Notable Features
- ▸Functional-first design
- ▸Type inference
- ▸Pattern matching
- ▸Algebraic data types (DU’s)
- ▸Immutable defaults
- ▸Interop with .NET languages
Origin & Creator
Developed by Microsoft Research under Don Syme, released in 2005 as a functional-first language on .NET.
Industrial Note
F# excels in enterprise financial analytics, domain-driven modeling, algorithmic trading systems, scientific computation, ML/AI pipelines, data engineering, and strongly typed business rule engines where correctness and expressiveness are crucial.