Scheme (programming language) | Wikipedia audio article

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Scheme_(programming_language)


00:01:36 1 History
00:01:44 1.1 Origins
00:02:31 1.2 R6RS
00:05:01 1.3 R7RS
00:06:13 2 Distinguishing features
00:07:51 2.1 Fundamental design features
00:08:20 2.1.1 Minimalism
00:10:28 2.1.2 Lexical scope
00:12:01 2.1.3 Lambda calculus
00:13:56 2.1.4 Block structure
00:15:39 2.1.5 Proper tail recursion
00:16:25 2.1.6 First-class continuations
00:17:55 2.1.7 Shared namespace for procedures and variables
00:18:43 2.2 Implementation standards
00:19:03 2.2.1 Numerical tower
00:21:41 2.2.2 Delayed evaluation
00:22:57 2.2.3 Order of evaluation of procedure arguments
00:24:30 2.2.4 Hygienic macros
00:26:58 2.2.5 Environments and eval
00:28:29 2.2.6 Treatment of non-boolean values in boolean expressions
00:29:10 2.2.7 Disjointness of primitive datatypes
00:29:49 2.2.8 Equivalence predicates
00:30:56 2.2.9 Comments
00:30:59 2.2.10 Input/output
00:31:08 2.2.11 Redefinition of standard procedures
00:31:43 2.3 Nomenclature and naming conventions
00:33:53 3 Review of standard forms and procedures
00:34:45 3.1 Standard forms
00:36:22 3.2 Standard procedures
00:36:53 4 Scheme Requests for Implementation
00:37:41 5 Implementations
00:38:28 6 Usage
00:41:00 7 See also
00:43:16 8 References
00:46:52 9 Further reading



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SUMMARY
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Scheme is a programming language that supports multiple paradigms, including functional programming and imperative programming, and is one of the two main dialects of Lisp. Unlike Common Lisp, the other main dialect, Scheme follows a minimalist design philosophy specifying a small standard core with powerful tools for language extension.
Scheme was created during the 1970s at the MIT AI Lab and released by its developers, Guy L. Steele and Gerald Jay Sussman, via a series of memos now known as the Lambda Papers. It was the first dialect of Lisp to choose lexical scope and the first to require implementations to perform tail-call optimization, giving stronger support for functional programming and associated techniques such as recursive algorithms. It was also one of the first programming languages to support first-class continuations. It had a significant influence on the effort that led to the development of Common Lisp.The Scheme language is standardized in the official IEEE standard and a de facto standard called the Revisedn Report on the Algorithmic Language Scheme (RnRS). The most widely implemented standard is R5RS (1998); a new standard, R6RS, was ratified in 2007. Scheme has a diverse user base due to its compactness and elegance, but its minimalist philosophy has also caused wide divergence between practical implementations, so much that the Scheme Steering Committee calls it "the world's most unportable programming language" and "a family of dialects" rather than a single language.