csharp functional extensions

curry-compose.cs

        public static Func<TArg1, Func<TArg2, TResult>> Curry<TArg1, TArg2, TResult>(this Func<TArg1, TArg2, TResult> source)
        {
            return x => y => source(x, y);   
        }
        
        public static Func<TArg1, Func<TArg2, Func<TArg3, TResult>>> Curry<TArg1, TArg2, TArg3, TResult>(this Func<TArg1, TArg2, TArg3, TResult> source)
        {
            return x => y => z => source(x, y, z);   
        }
        
        public static Func<TArg1, TArg2, TResult> UnCurry<TArg1, TArg2, TResult>(this Func<TArg1, Func<TArg2, TResult>> source)
        {
            return (x, y) => source(x)(y);
        }
        
        public static Func<TArg1, TArg2, TArg3, TResult> UnCurry<TArg1, TArg2, TArg3, TResult>(this Func<TArg1, Func<TArg2, Func<TArg3, TResult>>> source)
        {
            return (x, y, z) => source(x)(y)(z);
        }
        
        public static Func<TArg1, TResult2> Compose<TArg1, TResult1, TResult2>(this Func<TArg1, TResult1> source, Func<TResult1, TResult2> func)
        {
            return x => func(source(x));
        }