Ellipsis (computer programming): Difference between revisions

Revision as of 15:15, 21 October 2016

Revision as of 17:58, 21 October 2016

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{{refimprove|date=September 2014}}

In [[computer programming]], '''ellipsis''' notation (.. or ...) is used to denote ranges, or an unspecified number of arguments, or a parent directory. Most programming languages other than [[Perl6]] require the [[ellipsis]] to be written as a series of periods; a single ([[Unicode]]) ellipsis character cannot be used.

Most programming languages other than [[Perl6]] require the [[ellipsis]] to be written as a series of periods; a single ([[Unicode]]) ellipsis character cannot be used.

== Ranges ==

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In the [[Unified Modeling Language]] (UML), a two-character ellipsis is used to indicate variable cardinality of an association. For example, a cardinality of 1..* means that the number of elements aggregated in an association can range from 1 to infinity (a usage equivalent to [[Kleene plus]]).

==Parent directory==

On Windows and Unix-like operating systems, ".." is used to access the parent [[Directory (computing)|directory]] in a [[Path (computing)|path]].

== Incomplete code ==