Immutable object: Difference between revisions

Revision as of 20:06, 8 June 2021

Revision as of 11:51, 17 August 2021

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=== C++ ===

In C++, a [[const-correctness|const-correct]] implementation of <code>Cart</code> would allow the user to declare new instances of the class as either <code>const</code> (immutable) or mutable, as desired, by providing two different versions of the <code>getItemsitems()</code> method. (Notice that in C++ it is not necessary — and in fact impossible — to provide a specialized constructor for <code>const</code> instances.)

<syntaxhighlight lang="cpp">