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Const-correctness abstract "In computer programming, const-correctness is the form of program correctness that deals with the proper declaration of variables or objects as mutable or immutable. The term is mostly used in a C or C++ context, and takes its name from the const keyword in those languages.The idea of const-ness does not imply that the variable as it is stored in the computer's memory is unwritable. Rather, const-ness is a compile-time construct that indicates what a programmer should do, not necessarily what they can do. Note, however, that in the case of predefined data (such as const char * string literals), C const is often unwritable.In addition, a (non-static) member-function can be declared as const. In this case, the this pointer inside such a function is of type return_value_type const * const rather than merely of type return_value_type * const. This means that non-const functions for this object cannot be called from inside such a function, nor can member variables be modified. In C++, a member variable can be declared as mutable, indicating that this restriction does not apply to it. In some cases, this can be useful, for example with caching, reference counting, and data synchronization. In these cases, the logical meaning (state) of the object is unchanged, but the object is not physically constant since its bitwise representation may change.".
Const-correctness wikiPageExternalLink const_correctness.html.
Const-correctness wikiPageExternalLink 006.htm.
Const-correctness wikiPageExternalLink 081.htm.
Const-correctness wikiPageExternalLink const-correctness.html.
Const-correctness wikiPageExternalLink const3.html.
Const-correctness wikiPageExternalLink const.html.
Const-correctness wikiPageExternalLink tic0092.html.
Const-correctness wikiPageExternalLink c_pointer_qualifiers.html.
Const-correctness wikiPageID "1639512".
Const-correctness wikiPageRevisionID "603444545".
Const-correctness hasPhotoCollection Const-correctness.
Const-correctness subject Category:Articles_with_example_C++_code.
Const-correctness subject Category:Articles_with_example_C_code.
Const-correctness subject Category:C_programming_language_family.
Const-correctness subject Category:Data_types.
Const-correctness subject Category:Programming_language_topics.
Const-correctness comment "In computer programming, const-correctness is the form of program correctness that deals with the proper declaration of variables or objects as mutable or immutable. The term is mostly used in a C or C++ context, and takes its name from the const keyword in those languages.The idea of const-ness does not imply that the variable as it is stored in the computer's memory is unwritable.".
Const-correctness label "Const-correctness".
Const-correctness label "Correctitud de constantes".
Const-correctness sameAs Correctitud_de_constantes.
Const-correctness sameAs m.05jsx5.
Const-correctness sameAs Q5163464.
Const-correctness sameAs Q5163464.
Const-correctness wasDerivedFrom Const-correctness?oldid=603444545.
Const-correctness isPrimaryTopicOf Const-correctness.