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Stored procedures
Exchange operator (<=>)
In french: Opérateur d'échange (<=>)
The <=> operator is used to exchange the contents of two elements. The type conversions are performed if necessary. Returns the address of a variable as an integer.
Versions 16 and later
Universal Windows 10 App This feature is available for the Windows Phone applications.
New in version 16
Universal Windows 10 App This feature is available for the Windows Phone applications.
Universal Windows 10 App This feature is available for the Windows Phone applications.
Versions 18 and later
Universal Windows 10 App This feature is available in Windows Store apps mode.
New in version 18
Universal Windows 10 App This feature is available in Windows Store apps mode.
Universal Windows 10 App This feature is available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This feature is available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This feature is available in Universal Windows 10 App mode.
Universal Windows 10 App This feature is available in Universal Windows 10 App mode.
Example
I is int = 5
J is int = 6
I <=> J
Syntax
<Element 1> <=> <Element 2>
<Element 1>: Simple type
Name of the variable, control, HFSQL item whose content must be exchanged with the content of <Element 2>.
<Element 2>: Simple type
Name of the variable, control, HFSQL item whose content must be exchanged with the content of <Element 1>.
Remarks
The exchange operator operates with the simple types only.
Minimum version required
  • Version 9
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