namespace UnityEngine.UI { internal static class SetPropertyUtility { public static bool SetColor(ref Color currentValue, Color newValue) { if (currentValue.r == newValue.r && currentValue.g == newValue.g && currentValue.b == newValue.b && currentValue.a == newValue.a) { return false; } currentValue = newValue; return true; } public static bool SetStruct(ref T currentValue, T newValue) where T : struct { if (currentValue.Equals(newValue)) { return false; } currentValue = newValue; return true; } public static bool SetClass(ref T currentValue, T newValue) where T : class { if ((currentValue == null && newValue == null) || (currentValue != null && currentValue.Equals(newValue))) { return false; } currentValue = newValue; return true; } } }