© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022
C. MilanesiBeginning Rusthttps://doi.org/10.1007/978-1-4842-7208-4_12

12. Data Implementation

Carlo Milanesi1  
(1)
Bergamo, Italy
 
In this chapter, you will learn:

  • How to know how many bytes of stack are taken by objects of various types

  • How to shorten the path to access functions declared in external modules

  • How bits are stored in primitive type objects

  • How to know where an object is stored in memory

  • Why padding can increase the size taken by some objects

  • How vectors are implemented

Discovering the Size of Objects

Given a source file, the Rust compiler is free to generate any machine code, as long as it behaves in the way specified by the Rust language for that source ...

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