vvit · September 23, 2016 14:06
diff --git a/Constraint.swift b/Constraint.swift
 view.layoutIfNeeded()     // Optional. Ensure that all pending layout operations have been completed
 UIView.animateWithDuration(5) {
  someConstraint.constant = 0
  self.view.layoutIfNeeded()   // called on parent view
 }
	view.layoutIfNeeded() // Optional. Ensure that all pending layout operations have been completed
	UIView.animateWithDuration(5) {
	someConstraint.constant = 0
	self.view.layoutIfNeeded() // called on parent view
	}