A taxonomy of datatypes

This is the second article based on language-independent standardisation work being carried out b y international standards working group ISO/IEC JTC1/SC22 WG11 (Language Bindings) . The first , Programming languages towards greater commonality [Meek 1994] was an overview, which briefly describe d the various and the relationships between them . This article goes into one of these projects in greater detail . Both articles are based on presentations to the DECUS (UK and Ireland) symposia, this one given in May 1994 . A third article, What is a procedure call?, based on a similar presentation in 1993 [Meek 1993], is projected .