Language Asturianu (ast) Català (ca) Čeština (cs) Dansk (da) Deutsch (de) English [US] (en-US) Español (es) Esperanto (eo) Eesti keel (et) Euskara (eu) Français (fr) Gàidhlig (gd) Galego (gl) Italiano (it) Lietuvių (lt) Magyar (hu) Nederlands (nl) Norsk (no) Polski (pl) Português [do Brasil] (pt-BR) Português [Europeu] (pt) Română (ro) Slovenčina (sk) Slovenščina (sl) Suomi (fi) Svenska (sv) Yкраїнська (uk) Tiếng Việt (vi) Türkçe (tr) ኦሮሚኛ (om) Հայերեն (hy) Ελληνικά (el) български език (bg) Русский (ru) Cрпски [ћирилицом] (sr) עברית (he) हिन्दी (hi) ភាសាខ្មែរ (km) தமிழ் (ta) ภาษาไทย (th) 简体中文 (zh-CN) 正體中文 (zh-TW) 日本語 (ja) 한국어 (ko)

The Free and Open Productivity Suite

• Product
• Download
• Support
• Blog
• Extensions & Templates
• Get Involved
• Focus Areas
• Native Languages

home » api » docs » common » ref » com » sun » star » beans

Overview

Module

Use

Devguide

Index

Elements' Summary

Elements' Details

---

:: com :: sun :: star :: beans ::

template struct Optional<T>

Description An optional value of a given type. This structure is used as the type of interface attributes corresponding to instances of Property that have the PropertyAttribute::MAYBEVOID. It might also be useful in other situations, for example as the return type of an interface method.

---

Elements' Summary
IsPresent	Marks this structure instance as having an actual value.
Value	The actual value of this structure instance.

Elements' Details

IsPresent boolean IsPresent; Description Marks this structure instance as having an actual value.

Value T Value; Description The actual value of this structure instance. If no actual value is present, a producer of such a structure instance should leave this member defaulted, and a consumer of such a structure instance should ignore the specific value stored in this member.

Top of Page

---

Copyright © 2013, The Apache Software Foundation, Licensed under the Apache License, Version 2.0. Apache, the Apache feather logo, Apache OpenOffice and OpenOffice.org are trademarks of The Apache Software Foundation. Other names may be trademarks of their respective owners.

Copyright & License | Privacy | Contact Us | Donate | Thanks

Apache, OpenOffice, OpenOffice.org and the seagull logo are registered trademarks of The Apache Software Foundation. The Apache feather logo is a trademark of The Apache Software Foundation. Other names appearing on the site may be trademarks of their respective owners.