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The “Oslo” Modeling Language
book

The “Oslo” Modeling Language

by David Langworthy, Brad Lovering, Don Box
October 2008
Beginner to intermediate content levelBeginner to intermediate
208 pages
3h 1m
English
Addison-Wesley Professional
Content preview from The “Oslo” Modeling Language

Chapter 3. Types

The types of the M lansguage are divided into two main categories: intrinsic types and derived types. An intrinsic type is a type that cannot be defined using M language constructs but rather is defined entirely in the M Language Specification. An intrinsic type (for example, Number, Entity, Collection) may name a supertype as part of its specification. Values are an instance of exactly one intrinsic type, and conform to the specification of that one intrinsic type and all of its supertypes.

A derived type (for example, Integer32, Person, Cars) is a type whose definition is constructed in M source text using the type constructors that are provided in the language. A derived type is defined as a constraint over another type, which ...

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Publisher Resources

ISBN: 9780321606518Purchase book