Interactive multilevel definition of APL functions

  • Authors:

  • Moshe Sniedovich

  • Affiliations:

  • Senior Chief Research Officer, Operations Research and Statistics Division, National Research Institute for Mathematical Sciences, CSIR, P.O. Box 395, Pretoria 0001, South Africa

  • Venue:
  • APL '82 Proceedings of the international conference on APL
  • Year:
  • 1982

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Abstract

An attempt is made to establish a convention that will make possible an interactive multilevel definition of APL functions. In accordance with this convention, functions can be defined at two levels: First an outline (flow-chart) is specified, this being followed by a detailed specification of the outline, prompted by the APL system. The convention is based on Iverson's direct definition form and enables the user to define long functions in an interactive manner. Preliminary experience with this convention indicates that it can improve the readability of APL functions