A proposed APL extension

We present a generalization of the extension of scalar dyadic functions with one-element operands. The generalization retains the spirit of APL scalar extension, brings into harmony the present rules for extension of one-element arrays, and provides ...

This paper describes an object oriented extension of APL, which is currently being implemented in a new APL system. This extension is integrated in a rather conservative way to APL. However, all the paradigms of object oriented languages (message ...

A new outlook on the APL system management together with a new set of primitive functions are proposed to be included in the APL language to manage tree-structured information.

Since the appearance of APL, this language has been prone to extension ...