Domain Specific Languages

Chapter 38. Nested Closure

Express statement subelements of a function call by putting them into a closure in an argument.

38.1 How It Works

The basic idea of a Nested Closure is similar to that of Nested Function, but the child expressions of the function call are wrapped in a closure. To show the difference, here’s a call to create a new processor using Nested Function in Ruby:

Now with a Nested Closure:

Instead of passing two Nested Function ...