Nib-free layout code sample

nib-free.swift

// Defining the appearance while creating the property.

let editButton: NSButton = {
    let button = NSButton()
    button.bordered = false
    button.setButtonType(.MomentaryChange)
    button.image = NSImage(named: "icEdit")
    button.alternateImage = NSImage(named: "icEditSelected")
    
    return button
}()

…

// Declaring Auto Layout constraints with Cartography.

constrain(view, editButton, self) { view, editButton, superview in
    editButton.left == view.right
    editButton.right <= superview.right - View.margin
    editButton.centerY == view.centerY
}