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.
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.