Sample of Clojure Transducers in C# (LINQPad snippet)

Transducers.cs

Func<Func<T,T,T>, Func<T,T,T>> Mapping<T>(Func<T,T> map) 
{
	return reduce => (sum, item) => reduce(sum, map(item));
}

Func<Func<T,T,T>, Func<T,T,T>> Filtering<T>(Func<T,bool> condition) 
{
	return reduce => (sum, item) => condition(item) ? reduce(sum, item) : sum;
}

void Main()
{
	List<int> ns = new List<int> { 1, 2, 3, 4, 5, 6, 7, 8 };

	Func<int,int> half = n => n / 2;

	Func<int,bool> isEven = n => n % 2 == 0;
	
	Func<int,int,int> Plus = (a, b) => a + b;
	
	ns.Where(isEven).Select(half).Aggregate(0, Plus).Dump("LINQ");
	
	ns.Aggregate(0,Filtering(isEven)(Mapping(half)(Plus))).Dump("Clojure Reducer");
}