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11. References and Records

Introduction

Taking References to Arrays
Making Hashes of Arrays
Taking References to Hashes
Taking References to Functions
Taking References to Scalars
Creating Arrays of Scalar References
Using Closures Instead of Objects
Creating References to Methods
Constructing Records
Reading and Writing Hash Records to Text Files
Printing Data Structures
Copying Data Structures
Storing Data Structures to Disk
Transparently Persistent Data Structures
Program: Binary Trees
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Subroutines Packages, Libraries, and Modules