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Published in:
2013 | OriginalPaper | Chapter
Immutability
Authors : Alex Potanin, Johan Östlund, Yoav Zibin, Michael D. Ernst
Published in: Aliasing in Object-Oriented Programming. Types, Analysis and Verification
Publisher: Springer Berlin Heidelberg
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One of the main reasons aliasing has to be controlled, as highlighted in another chapter [1] of this book [2], is the possibility that a variable can unexpectedly change its value without the referrer’s knowledge. This book will not be complete without a discussion of the impact of
immutability
on reference-abundant imperative object-oriented languages. In this chapter we briefly survey possible definitions of immutability and present recent work by the authors on adding immutability to object-oriented languages and how it impacts aliasing.