Haskell
Haskell is a statically typed, purely functional programming language known for its strong static type system, sophisticated type inference, and non-strict evaluation. It is used in education, academia, and some commercial applications.
statically-typed
purely-functional
strong-type-system
type-inference
nonstrict-evaluation
Haskell: Statically Typed Functional Programming Language
A powerful programming language with strong static type system, sophisticated type inference, and non-strict evaluation, used in education, academia, and some commercial applications.
What is Haskell?
Haskell is a statically typed, purely functional programming language that was designed to have very few implementation dependencies. It has a strong static type system with type inference and non-strict (lazy) evaluation by default. Some key features of Haskell include:
- Purity - Functions have no side effects, offering referential transparency and making it easier to reason about code behavior
- Statically typed - Types are checked at compile time, enabling early detection of errors
- Type inference - Compilers can automatically infer types in most cases, reducing explicit type annotations
- Lazy evaluation - Expressions are not evaluated until their results are needed, enabling manipulation of potentially infinite data structures
- List comprehension - A convenient and declarative syntax for working with lists
- Pattern matching - A powerful construct for deconstructing data types and matching against structural patterns
Haskell excels in fields like compilers, parsers, computer algebra systems, bioinformatics and financial systems. Industry users include Facebook, AT&T and Standard Chartered Bank. It is also widely used in teaching functional programming concepts.
Haskell Features
Features
- Statically typed
- Purely functional programming language
- Strong static type system
- Sophisticated type inference
- Non-strict evaluation
Pricing
- Open Source
Pros
Type safety
Concise, readable code
Fewer bugs due to purity
Good for parallelism and concurrency
Lazy evaluation improves performance
Cons
Steep learning curve
Less mainstream adoption
Harder to debug
Lack of good IDEs and tools
Official Links
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Top Development and Functional Programming Languages and other similar apps like Haskell
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