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Immutability

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Potanin, Alex
Östlund, Johan
Zibin, Yoav
Ernst, Michael D.

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Springer

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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.

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Aliasing in Object-Oriented Programming: Types, Analysis, and Verification

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