[ void->oncompare ]
[void] is always equal only to itself, and [void] is never equal to any other object type. The [void->oncompare] method accepts a void object as a single parameter and compares it to the object. If both objects are of type void, then the method returns zero (0), else it returns negative one (-1).
- Syntax
Variable Name->oncompare(void)Examples
- Beginner
To determine whether a type is equivalent to void:
Use the void->onCompare method against [Void].
Code
define fvoid => {return}
local(f = fvoid)
#f->oncompare(void)Result
0
To determine whether a type is equivalent to void:
Use the void->onCompare method against [Void].
Code
local(f = null)
#f->oncompare(void)Result
-1
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