Functions

The following functions are available globally.


                    
                    
                    with(_:_:)

Provides a given object or struct to the block.

This brings the Kotlin functional pattern of with to Swift.

Use it to create an instance and modify it on a limited scope. See also https://betterprogramming.pub/better-swift-with-with-4b071b5ac394

Usage:

func makeButton(_ title: String?) -> UIButton {
     with(UIButton()) {
         $0.translatesAutoresizingMaskIntoConstraints = false
         $0.titleLabel?.text = title
         $0.titleLabel?.font = .headline
         $0.setTitleColor(.red, for: .normal)
     }
}

Declaration

Swift

@discardableResult
@inlinable
public func with<V>(_ value: V, _ mutate: (_ v: inout V) -> Void) -> V