翻訳と辞書
Words near each other
・ point of contact
・ point of presence
・ point of sale terminal
・ point-and-drool interface
・ point-and-grunt interface
・ point-to-point protocol
・ point-to-point protocol over atm
・ point-to-point protocol over ethernet
・ point-to-point tunneling protocol
・ pointed domain
pointer
・ pointer swizzling
・ pointing device
・ pointing stick
・ poisson distribution
・ pojo
・ poke
・ polka
・ poll
・ polling


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pointer : FOLDOC
pointer
1. An address, from the point of view of a programming language. A pointer may be typed, with its type indicating the type of data to which it points.
The terms "pointer" and "reference" are generally interchangable although particular programming languages often differentiate these two in subtle ways. For example, Perl always calls them references, never pointers. Conversely, in C, "pointer" is used, although "a reference" is often used to denote the concept that a pointer implements.
Anthony Hoare once said:
Pointers are like jumps, leading wildly from one part of the data structure to another. Their introduction into high-level languages has been a step backward from which we may never recover.
[C.A.R.Hoare "Hints on Programming Language Design", 1973, Prentice-Hall collection of essays and papers by Tony Hoare].
2. (Or "mouse pointer") An icon, usually a small arrow, that moves on the screen in response to movement of a pointin
, usually a small arrow, that moves on the screen in response to movement of a pointin


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