NullifyGlobals (Object subroutine): Difference between revisions
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{{Template:Object:NullifyGlobals subtitle}} | {{Template:Object:NullifyGlobals subtitle}} | ||
==Syntax== | ==Syntax== | ||
{{Template:Object:NullifyGlobals syntax}} | {{Template:Object:NullifyGlobals syntax}} | ||
===Syntax terms=== | ===Syntax terms=== | ||
<table class="syntaxTable"> | <table class="syntaxTable"> | ||
<tr><th nowrap="true"><var>%(Object)</var></th> | <tr><th nowrap="true"><var>%(Object)</var></th> | ||
<td>The class name in parentheses denotes a shared method. <var>NullifyGlobals</var> can also be invoked via | <td>The class name in parentheses denotes a [[Notation conventions for methods#Shared methods|shared method]]. <var>NullifyGlobals</var> can also be invoked via an <var>Object</var> class object variable, which may be <var>Null</var>.</td></tr> | ||
<tr><th>matchString</th> | <tr><th>matchString</th> | ||
<td>string</td></tr> | <td>A "wildcard" string that is applied to the set of global names. The object references of all global names that are matched by <var class="term">matchString</var> are nullified. | ||
<p> | |||
If the <var class="term">matchString</var> value is an asterisk (<tt>*</tt>), all object references of global names are nullified.</p></td></tr> | |||
</table> | </table> | ||
==Usage notes== | ==Usage notes== | ||
If no global names matched by <var class="term">matchString</var> reference an object, this method does nothing. | |||
==Examples== | ==Examples== | ||
See [[Global and session objects#Using system class methods to access global and session objects|Using system class methods to access global and session objects]]. | |||
==See also== | ==See also== | ||
{{Template:Object:NullifyGlobals footer}} | {{Template:Object:NullifyGlobals footer}} | ||
Latest revision as of 22:20, 12 August 2014
Clear global object references (Object class)
Syntax
%(Object):NullifyGlobals( matchString)
Syntax terms
| %(Object) | The class name in parentheses denotes a shared method. NullifyGlobals can also be invoked via an Object class object variable, which may be Null. |
|---|---|
| matchString | A "wildcard" string that is applied to the set of global names. The object references of all global names that are matched by matchString are nullified.
If the matchString value is an asterisk (*), all object references of global names are nullified. |
Usage notes
If no global names matched by matchString reference an object, this method does nothing.
Examples
See Using system class methods to access global and session objects.