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''This article is intended to provide an introduction to and critical analysis of the concept of a pointer. Despite the samples of code shown below for various languages, it is not intended to provide a reference on how to use pointers in specific languages.'' | ''This article is intended to provide an introduction to and critical analysis of the concept of a pointer. Despite the samples of code shown below for various languages, it is not intended to provide a reference on how to use pointers in specific languages.'' | ||
− | A '''pointer''' is an object that contains information about the address of another object in memory (called the '''referent''' or the '''pointee''') and which may be used to access that object. Accessing an object using a pointer to it rather than by referring to the object itself is known as '''indirection'''; using a pointer is said to ''add a level of indirection'' | + | A '''pointer''' is an object that contains information about the address of another object in memory (called the '''referent''' or the '''pointee''') and which may be used to access that object. Accessing an object using a pointer to it rather than by referring to the object itself is known as '''indirection'''; using a pointer is said to ''add a level of indirection''. |
==Definition== | ==Definition== |