Sather
| Paradigm | object-oriented, functional |
|---|---|
| Designed by | Steve Omohundro |
| Developer | University of California, Berkeley, University of Waikato, GNU project |
| First appeared | 1990 |
| Typing discipline | static, strong |
| Website | www |
| Major implementations | |
| ICSI Sather, GNU Sather | |
| Influenced by | |
| Eiffel, CLU, Common Lisp, Scheme | |
| Influenced | |
| Cool, Rust | |
Sather is an object-oriented programming language. It originated circa 1990 at the International Computer Science Institute (ICSI) at the University of California, Berkeley, developed by an international team led by Steve Omohundro. It supports garbage collection and generics by subtypes.
Originally, it was based on Eiffel, but it has diverged, and now includes several functional programming features. It is probably best to view it as an object-oriented language, with many ideas borrowed from Eiffel.
Even the name is inspired by Eiffel; the Sather Tower is a recognizable landmark at Berkeley, named after Jane Krom Sather, the widow of Peder Sather, who donated large sums to the foundation of the university.
Sather also takes inspiration from other programming languages and paradigms: iterators, design by contract, abstract classes, multiple inheritance, anonymous functions, operator overloading, contravariant type system.
The original Berkeley implementation (last stable version 1.1 was released in 1995, no longer maintained) has been adopted by the Free Software Foundation therefore becoming GNU Sather. Last stable GNU version (1.2.3) was released in July 2007 and the software is currently not maintained. There were several other variants: Sather-K from the University of Karlsruhe; Sather-W from the University of Waikato (implementation of Sather version 1.3); Peter Naulls' port of ICSI Sather 1.1 to RISC OS; and pSather, a parallel version of ICSI Sather addressing non-uniform memory access multiprocessor architectures but presenting a shared memory model to the programmer.
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