Const (computer programming): Difference between revisions

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== D ==

In Version 2 of the [[D (programming language)|D programming language]], two keywords relating to const exist.<ref>{{cite web|url=http://www.digitalmars.com/d/2.0/const-faq.html#const |title=const(FAQ) – D Programming Language |publisher=Digitalmars.com |date= |accessdate=2013-08-18}}</ref> The <code>immutable</code> keyword denotes data that cannot be modified through any reference.

The <code>const</code> keyword denotes a non-mutable view of mutable data.

Unlike C++ <code>const</code>, D <code>const</code> and <code>immutable</code> are "deep" or [[transitive relation|transitive]], and anything reachable through a <code>const</code> or <code>immutable</code> object is <code>const</code> or <code>immutable</code> respectively.

'''Example of const vs. immutable in D'''