# FL

> programming language

**Wikidata**: [Q5426589](https://www.wikidata.org/wiki/Q5426589)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/FL_(programming_language))  
**Source**: https://4ort.xyz/entity/fl

## Summary
FL is a functional programming language designed by John Backus in 1989, known for its function-level programming paradigm and dynamic typing. It is part of the family of functional programming languages and was influenced by the earlier FP language.

## Key Facts
- FL is a programming language created in 1989.
- It was designed by John Backus, an American computer scientist.
- FL is classified as a functional programming language and a function-level language.
- It uses dynamic typing as its typing discipline.
- FL was influenced by the FP programming language, which was created in 1977.
- The language is associated with the United States.
- FL has sitelinks in multiple languages, including English, Persian, Portuguese, Chinese, and Cantonese.

## FAQs
### Q: What is FL?
A: FL is a functional programming language designed by John Backus in 1989. It is known for its function-level programming paradigm and dynamic typing.

### Q: Who designed FL?
A: FL was designed by John Backus, an American computer scientist known for his contributions to programming languages.

### Q: What programming paradigm does FL use?
A: FL uses function-level programming and functional programming paradigms.

### Q: What influenced the creation of FL?
A: FL was influenced by the FP programming language, which was created in 1977.

### Q: What is the typing discipline of FL?
A: FL uses dynamic typing as its typing discipline.

## Why It Matters
FL is significant in the history of programming languages as it represents an evolution in functional programming. Designed by John Backus, a pioneer in computer science, FL builds upon the principles of function-level programming, offering a unique approach to problem-solving in software development. Its dynamic typing and functional paradigm make it a notable example of how programming languages can be structured to emphasize functions as first-class citizens. While not as widely adopted as some other languages, FL contributes to the diversity of programming paradigms and serves as a historical milestone in the development of functional programming languages.

## Notable For
- Being designed by John Backus, a prominent figure in computer science.
- Its classification as a function-level language, emphasizing functions as the primary means of computation.
- The use of dynamic typing, which allows for more flexible code.
- Its influence from the FP language, showing the evolution of functional programming concepts.
- Representing a specific approach to functional programming that distinguishes it from other languages in the same category.

## Body
### Overview
FL is a programming language that falls under the category of functional programming languages. It was created in 1989 by John Backus, who is also known for his work on the FP language and the development of Fortran.

### Design and Features
- **Programming Paradigm**: FL is designed around function-level programming and functional programming principles. This means that functions are treated as first-class citizens, allowing for higher-order functions and function composition.
- **Typing Discipline**: FL uses dynamic typing, which means that type checking is performed at runtime rather than compile-time. This allows for more flexible and concise code.
- **Influences**: FL was influenced by the FP language, which was created by John Backus in 1977. FP was one of the earliest functional programming languages and laid the groundwork for many concepts used in FL.

### Historical Context
FL was developed during a period when functional programming was gaining traction as an alternative to imperative programming. John Backus, already a respected figure in computer science, sought to further explore the potential of function-level programming with FL.

### Technical Details
- **Dynamic Typing**: FL's dynamic typing allows for greater flexibility in code, as variables are not bound to specific types at compile-time.
- **Function-Level Programming**: This paradigm emphasizes the use of functions as the primary means of computation, allowing for more abstract and modular code.

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