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FL (short for "Function Level") is a programming language created at the IBM Almaden Research Center by John Backus, John Williams, and Edward Wimmers in the 1980s and documented in a report from 1989.[1] FL was designed as a successor of Backus' earlier FP language, providing specific support for what Backus termed function-level programming.
| Paradigm | Function-level, functional |
|---|---|
| Designed by | John Backus John Williams Edward Wimmers |
| First appeared | 1989 |
| Typing discipline | Dynamic |
| Influenced by | |
| FP | |
FL is a dynamically typed strict functional programming language with throw and catch exception semantics much like in ML. Each function has an implicit history argument which is used for doing things like strictly functional input/output (I/O), but is also used for linking to C code. For doing optimization, there exists a type-system which is an extension of Hindley–Milner type inference.
Uses
editPLaSM is a "geometry-oriented extension of a subset of the FL language"[2] first described in 1992.
References
edit- ^ Aiken, Alexander; Williams, John H.; Wimmers, Edward L. "The FL Project: Design of a Functional Language" (PDF). Stanford University.
- ^ "Introduction to FL and PLaSM". plasm.net.
External links
edit- FL Language Manual, Parts 1 and 2 (PDF)
- List of FL papers at plasm.net
- Introduction to FL and PLaSM (PDF)
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