Variables, Constants, Scopes, and Modules

Clemens Heitzinger ()
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Clemens Heitzinger: Technische Universität Wien, Center for Artificial Intelligence and Machine Learning (CAIML) and Department of Mathematics and Geoinformation

Chapter Chapter 3 in Algorithms with JULIA, 2022, pp 39-49 from Springer

Abstract: Abstract This chapter discusses how to introduce global and local variables and constants as well as their scopes or visibility. While discussing functions, we have seen that function arguments become local variables in the function body, but there are more ways to introduce variables. Local variables are only visible in (small) parts of a program, which is an important property to structure a program into small, understandable parts. Global variables are only visible in their module. A module is a (usually large) part of a program that contains functions, variables, and constants with a similar purpose. The scopes of variables follow rules that are described in detail.

Date: 2022
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DOI: 10.1007/978-3-031-16560-3_3

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