// Copyright (c) 2015 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. part of cassowary; enum Relation { equalTo, lessThanOrEqualTo, greaterThanOrEqualTo, } class Constraint { final Relation relation; final Expression expression; double priority = 1000.0; Constraint(this.expression, this.relation); }