UITextView height with AutoLayout( SnapKit)

textviewautolayout.swift

// I'm using snapkit
// You can add to viewDidLoad
    let address = UITextView(frame: CGRectZero)
    address.text = restaurant.address
    let sizeThatFits = address.sizeThatFits(CGSize(width: view.frame.width, height: CGFloat(MAXFLOAT)))
    mainView.addSubview(address)
    address.snp_makeConstraints { (make) -> Void in
      let superview = mainView
      make.top.equalTo(superview.snp_top)
      make.left.equalTo(superview.snp_left)
      make.right.equalTo(superview.snp_right)
      make.height.equalTo(sizeThatFits)
    }

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