Extending APL2 to include program control structures

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Extending APL2 to include program control structures

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International Conference on APL archive
Proceedings of the international conference on APL table of contents

Toronto, Ontario, Canada

Pages: 209 - 213

Year of Publication: 1993

ISBN:0-89791-612-3

Also published in ...

Author

David A. Selby

Sponsor

SIGAPL: ACM Special Interest Group on APL Programming Language

Publisher

ACM New York, NY, USA

Bibliometrics

Downloads (6 Weeks): 0, Downloads (12 Months): 7, Citation Count: 3

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abstract references cited by index terms review peer to peer

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ABSTRACT

APL2, and APL before it, have always been criticised for not embodying formal program flow control structures. It is proposed that a set of reserved words be added to the APL2 language. This set could include "if", "else", "while", etc. This extension should enhance performance and improve the readability of programs. This improved readability could lead to more maintainable code.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	Ab75	Philip S. Abrams, What's wrong with APL?, Proceedings of seventh international conference on APL, p.1-8, June 11-13, 1975, Pisa, Italy [doi>10.1145/800117.803777]
	Bi75	Harvey W. Bingham, Content analysis of APL defined functions, Proceedings of seventh international conference on APL, p.60-66, June 11-13, 1975, Pisa, Italy [doi>10.1145/800117.803784]
	Di70	Dijkstra, E.W., NOTES ON STRUCTURED PROGRAMMING, 1970.
	Eu85	Edward V. Eusebi, Operators for program control, ACM SIGAPL APL Quote Quad, v.15 n.4, p.181-189, May 12, 1985
	GH76	W. K. Giloi , R. Hoffmann, Adding a modern control structure to APL without changing the syntax, Proceedings of the eighth international conference on APL, p.189-194, September 22-24, 1976, Ottawa, Canada [doi>10.1145/800114.803676]
	KR78	B. W. Kernighan , D. M. Ritchie, The C programming language, Prentice-Hall, Inc., Upper Saddle River, NJ, 1978
	RB90	Jack G. Rudd , James A. Brown, Toward a common prototyping language, ACM SIGAPL APL Quote Quad, v.20 n.4, p.322-330, July 1990
	Ta77	Tamura, R.A., XXXXXX A Structured Programming System for VSAPL, IBM Los Angeles Scientific Centre, Report ZZ20-6237, June 1977.
	VB90	Visual Basic Language Reference Manual, Microsoft Corporation.

CITED BY 3

	F. H. D. van Batenburg, Restriction riddance: more power to parentheses, ACM SIGAPL APL Quote Quad, v.25 n.1, p.220-224, Sept. 1994
	Nicholas Beaumont, Is APL2 a good programming language?, ACM SIGAPL APL Quote Quad, v.25 n.4, p.1-10, June 1995
	David S. Eastwood, Structuring functions with operators, ACM SIGAPL APL Quote Quad, v.24 n.1, p.69-77, Aug. 1993

INDEX TERMS

Primary Classification:
D. Software
D.3 PROGRAMMING LANGUAGES
D.3.2 Language Classifications

Nouns: APL

Additional Classification:
D. Software
D.3 PROGRAMMING LANGUAGES
D.3.3 Language Constructs and Features
Subjects: Procedures, functions, and subroutines; Control structures

General Terms:
Algorithms, Design, Languages, Performance

REVIEW

"R. Waldo Roth : Reviewer"

An intriguing rationale is provided for the introduction of new keywords that expedite more formal control structures in APL2. Formal definitions of the newly proposed keywords, such as if, then, else, do, an more...

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This Article has also been published in:

ACM SIGAPL APL Quote Quad
Volume 24 , Issue 1 Aug. 1993

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