Scheme 48
Scheme 48 is a programming language, a dialect of the language Scheme, an implementation using an interpreter which emits bytecode. It has a foreign function interface for calling functions from the language C and comes with a library for regular expressions (regex), and an interface for Portable Operating System Interface (POSIX). It is supported by the portable Scheme library SLIB, and is the basis for the Scheme shell Scsh. It has been used in academic research. It is free and open-source software released under a BSD license.
| Paradigms | Multi: functional, procedural, meta |
|---|---|
| Family | Lisp |
| Designed by | Richard Kelsey, Jonathan Rees |
| Developers | Richard Kelsey, Jonathan Rees |
| First appeared | March 1987 |
| Stable release | 1.9.2
/ 12 April 2014 |
| Typing discipline | Dynamic, strong, Latent |
| Scope | Lexical |
| OS | Cross-platform |
| License | BSD |
| Website | s48 |
It is called "Scheme 48" because the first version was written in 48 hours in August 1986. The authors now say it is intended to be understood in 48 hours.
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