The block that is executed to evaluate the expression.
SDKs
- iOS 4.0+
- macOS 10.6+
- tvOS 9.0+
- watchOS 2.0+
- Mac Catalyst 13.0+Beta
Framework
- Foundation
Declaration
var expressionBlock: (Any?, [NSExpression], NSMutableInstance Propertyexpression
expression
See Also
Beta Software
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