Eff (programming language)
Functional programming language From Wikipedia, the free encyclopedia
Eff is a general-purpose, high-level, multi-paradigm, functional programming language similar in syntax to OCaml which integrates the functions of algebraic effect handlers.[1][2]
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| Paradigms | Multi-paradigm: functional, imperative |
|---|---|
| Family | ML: Caml: OCaml |
| Designed by | Andrej Bauer, Matija Pretnar |
| First appeared | March 5, 2012 |
| Stable release | 5.1
/ October 19, 2021 |
| Implementation language | OCaml |
| Platform | x86-64 |
| OS | Cross-platform: macOS, Linux, Windows |
| License | BSD 2-clause |
| Website | www |
| Influenced by | |
| OCaml | |
Example
effect Get_next : (unit -> unit) option
effect Add_to_queue : (unit -> unit) -> unit
let queue initial = handler
| effect Get_next k ->
( fun queue -> match queue with
| [] -> (continue k None) []
| hd::tl -> (continue k (Some hd)) tl )
| effect (Add_to_queue y) k -> ( fun queue -> (continue k ()) (queue @ [y]))
| x -> ( fun _ -> x)
| finally x -> x initial
;;
References
External links
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