Null pointer
id:
null-pointer-180-4301661
title:
Null pointer
text:
In computing, a null pointer or null reference is a value saved for indicating that the pointer or reference does not refer to a valid object. Programs routinely use null pointers to represent conditions such as the end of a list of unknown length or the failure to perform some action; this use of null pointers can be compared to nullable types and to the Nothing value in an option type. A null pointer should not be confused with an uninitialized pointer: a null pointer is guaranteed to compare
brand slug:
wiki
category slug:
encyclopedia
description:
Value indicating that a referenced dataset is invalid or doesn't exist
original url:
https://en.wikipedia.org/wiki/Null_pointer
date created:
2004-11-16T07:54:42Z
date modified:
2024-09-05T19:19:16Z
main entity:
{"identifier":"Q19848926","url":"https://www.wikidata.org/entity/Q19848926"}
image:
fields total:
13
integrity:
15