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- Opaque_pointer abstract "In computer programming, an opaque pointer is a special case of an opaque data type, a datatype declared to be a pointer to a record or data structure of some unspecified type.Opaque pointers are present in several programming languages including Ada, C, C++ and Modula-2.If the language is strongly typed, programs and procedures that have no other information about an opaque pointer type T can still declare variables, arrays, and record fields of type T, assign values of that type, and compare those values for equality. However, they will not be able to de-reference such a pointer, and can only change the object's content by calling some procedure that has the missing information.Opaque pointers are a way to hide the implementation details of an interface from ordinary clients, so that the implementation may be changed without the need to recompile the modules using it. This benefits the programmer as well since a simple interface can be created, and most details can be hidden in another file. This is important for providing binary code compatibility through different versions of a shared library, for example.This technique is described in Design Patterns as the Bridge pattern. It is sometimes referred to as "handle classes", the "Pimpl idiom" (for "pointer to implementation idiom"), "Compiler firewall idiom" or "Cheshire Cat", especially among the C++ community.".
- Opaque_pointer wikiPageExternalLink 520200.aspx.
- Opaque_pointer wikiPageExternalLink wiki?PimplIdiom.
- Opaque_pointer wikiPageExternalLink D-Pointers.
- Opaque_pointer wikiPageExternalLink 13393.html.
- Opaque_pointer wikiPageExternalLink 205918714.
- Opaque_pointer wikiPageExternalLink 024.htm.
- Opaque_pointer wikiPageExternalLink 028.htm.
- Opaque_pointer wikiPageExternalLink GC,%20C,%20and%20C++.
- Opaque_pointer wikiPageID "2570200".
- Opaque_pointer wikiPageRevisionID "597678808".
- Opaque_pointer hasPhotoCollection Opaque_pointer.
- Opaque_pointer subject Category:Articles_with_example_C++_code.
- Opaque_pointer subject Category:C++.
- Opaque_pointer subject Category:Data_types.
- Opaque_pointer comment "In computer programming, an opaque pointer is a special case of an opaque data type, a datatype declared to be a pointer to a record or data structure of some unspecified type.Opaque pointers are present in several programming languages including Ada, C, C++ and Modula-2.If the language is strongly typed, programs and procedures that have no other information about an opaque pointer type T can still declare variables, arrays, and record fields of type T, assign values of that type, and compare those values for equality. ".
- Opaque_pointer label "Mętny wskaźnik".
- Opaque_pointer label "Opaque pointer".
- Opaque_pointer sameAs Mętny_wskaźnik.
- Opaque_pointer sameAs m.07nqg7.
- Opaque_pointer sameAs Q7095589.
- Opaque_pointer sameAs Q7095589.
- Opaque_pointer wasDerivedFrom Opaque_pointer?oldid=597678808.
- Opaque_pointer isPrimaryTopicOf Opaque_pointer.