Delegates

We cannot create a delegate like so:

var function = x => x * x;

This works in JavaScript, but not in C#.

In C#, we need to define a delegate:

public delegate int Delegate(int x);

And then use it instead of var:

Delegate multiply = x => x * x;

var result = multiply(3);
Console.WriteLine(result); // 9

So, it cannot infer the type by default.

But, we can do something like this without the delegate:

int multiply(int x) => x * x;

var result = multiply(3);
Console.WriteLine(result); // 9

This is a local function.

# Delegates