using System;
namespace SmalltalkBooleanExtensionMethods
{


        public static class BooleanExtension
        {
            public delegate Object ClosureWithNoExtraArgs ();
            public delegate void ActionClosureWithNoExtraArgs ();

            public static Object ifTrue (this bool aBoolen, ClosureWithNoExtraArgs method)
            {
                if (aBoolen)
                    return method.DynamicInvoke ();
                else
                    return null;
            }

            public static Object ifTrue (this bool aBoolen, ActionClosureWithNoExtraArgs method)
            {
                if (aBoolen)
                    return method.DynamicInvoke ();
                else
                    return null;
            }


            public static Object ifFalse (this bool aBoolen, ClosureWithNoExtraArgs method)
            {
                if (aBoolen)
                    return method.DynamicInvoke ();
                else
                    return null;
            }

            public static Object ifFalse (this bool aBoolen, ActionClosureWithNoExtraArgs method)
            {
                if (aBoolen)
                    return method.DynamicInvoke ();
                else
                    return null;
            }


            public static Object ifTrueifFalse (this Boolean aBoolen, ClosureWithNoExtraArgs methodA, ClosureWithNoExtraArgs methodB)
            {
                if (aBoolen)
                    return methodA.DynamicInvoke ();
                else
                    return methodB.DynamicInvoke ();
            }

            public static Object ifTrueifFalse (this Boolean aBoolen, ActionClosureWithNoExtraArgs methodA, ActionClosureWithNoExtraArgs methodB)
            {
                if (aBoolen)
                    return methodA.DynamicInvoke ();
                else
                    return methodB.DynamicInvoke ();
            }

        }


}