Difference between revisions of "UNSET()"
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==Purpose== | ==Purpose== | ||
Function to delete memory variables and free the storage that they were occupying | Function to delete memory variables and free the storage that they were occupying | ||
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==Syntax== | ==Syntax== | ||
UNSET(<memvar>[,<memvar2>...]) | UNSET(<memvar>[,<memvar2>...]) | ||
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==See Also== | ==See Also== | ||
[[CLEAR MEMORY]], [[ISSET()]], [[PRIVATE]], [[PUBLIC]], [[RELEASE]], [[RESTORE]], [[RETURN]], [[SAVE]], [[STORE]], [[TYPE()]], [[VARTYPE()]] | [[CLEAR MEMORY]], [[ISSET()]], [[PRIVATE]], [[PUBLIC]], [[RELEASE]], [[RESTORE]], [[RETURN]], [[SAVE]], [[STORE]], [[TYPE()]], [[VARTYPE()]] | ||
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==Description== | ==Description== | ||
| − | The UNSET() function deletes memory variables, and releases the storage that they were occupying. | + | The UNSET() function deletes memory variables, and releases the storage that they were occupying. Lianja will automatically delete PRIVATE memory variables when a PROCEDURE or PROGRAM returns. You cannot UNSET() memory variables belonging to other procedures. |
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==Example== | ==Example== | ||
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</code> | </code> | ||
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[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
| − | [[Category: | + | [[Category:Declaring Variables and Arrays]] |
| − | [[Category: | + | [[Category:Lianja VFP Extensions]] |
| + | [[Category:VFP Function Extensions]] | ||
Latest revision as of 07:32, 4 February 2013
Contents
Purpose
Function to delete memory variables and free the storage that they were occupying
Syntax
UNSET(<memvar>[,<memvar2>...])
See Also
CLEAR MEMORY, ISSET(), PRIVATE, PUBLIC, RELEASE, RESTORE, RETURN, SAVE, STORE, TYPE(), VARTYPE()
Description
The UNSET() function deletes memory variables, and releases the storage that they were occupying. Lianja 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
