Quick ASP

dotnet new webapi -o TodoApi
cd TodoApi
dotnet add package Microsoft.EntityFrameworkCore.InMemory
code -r ../TodoApi

dotnet dev-certs https --trust

Func<int,int,int> Addlambda = (int x,int y) => {return x + y;};
Monoid Addx = new Monoid(Addlambda);

void typicalfunction( Monoid passedFunction){
    Console.WriteLine($"output is {passedFunction(2,6)}");
  }
  
SomeFunction(Addx);

delegate int bleh(string x, double y);
delegate int Monoid(int lhs, int rhs);