Difference between revisions of "UNSET()"
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==Class== | ==Class== | ||
| − | + | Memory Variables | |
==Purpose== | ==Purpose== | ||
| − | + | Delete a memory variable and free the storage that it was occupying | |
==Syntax== | ==Syntax== | ||
| − | + | UNSET(<memvar>) | |
==See Also== | ==See Also== | ||
| − | + | [[CLEAR MEMORY]], [[ISSET()]], [[PRIVATE]], [[PUBLIC]], [[RELEASE]], [[RESTORE]], [[RETURN]], [[SAVE]], [[STATIC]], [[STORE]], [[TYPE()]], [[VARTYPE()]] | |
==Description== | ==Description== | ||
| − | + | The UNSET() function deletes a memory variable, and releases the storage that it was occupying. Recital will automatically delete PRIVATE memory variables when a PROCEDURE or PROGRAM returns. You cannot UNSET() memory variables belonging to other procedures. | |
==Example== | ==Example== | ||
<code lang="recital"> | <code lang="recital"> | ||
| − | + | if isset(m_var) | |
| + | unset(m_var) | ||
| + | endif | ||
</code> | </code> | ||
| − | |||
| + | ==Products== | ||
| + | Recital Database Server, Recital Mirage Server, Recital Terminal Developer | ||
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
| + | [[Category:Memory Variables]] | ||
| + | [[Category:Memory Variables Functions]] | ||
Revision as of 14:46, 21 October 2009
Class
Memory Variables
Purpose
Delete a memory variable and free the storage that it was occupying
Syntax
UNSET(<memvar>)
See Also
CLEAR MEMORY, ISSET(), PRIVATE, PUBLIC, RELEASE, RESTORE, RETURN, SAVE, STATIC, STORE, TYPE(), VARTYPE()
Description
The UNSET() function deletes a memory variable, and releases the storage that it was occupying. Recital will automatically delete PRIVATE memory variables when a PROCEDURE or PROGRAM returns. You cannot UNSET() memory variables belonging to other procedures.
Example
if isset(m_var) unset(m_var) endif
Products
Recital Database Server, Recital Mirage Server, Recital Terminal Developer
