The Blocks that has a single parameter and does not return a value. This block is used to perform an action on an object with specific type.
You can use this block to represent a method that will perform some action on the object.
For example if you need to iterate each item in the list you can use List<T> method that takes an Action<T> block:
var Items := new List<String>(["One", "Two", "Three"]); Items.ForEach(method (item: String) begin DoSomething(item); end);
In this example we've used an anonymous method, but it can be used with a static method or lambda expression:
Items.ForEach(item -> DoSomething(item));