init(forMinusSet:with:)
Creates an expression object that represents the subtraction of a specified collection from a specified set.
Declaration
init(forMinusSet left: NSExpression, with right: NSExpression)Parameters
- left:
An expression that evaluates to an
NSSetobject. - right:
An expression that evaluates to a collection object (an instance of
NSArray,NSSet, orNSDictionary).
Return Value
A new NSExpression object that represents the subtraction of right from left.