Pattern Matching

Previously, we learned how to create tuples containing various data objects called components. The components of a tuple, are indeed, immutable; but this does not mean that we cannot use them.

Pattern matching is a technique for accessing the contents of a tuple. All we have to do is create a pattern which corresponds to the values in a particular tuple. In this pattern, we will define identifiers for the values in the tuple.

Creating a Pattern

Let’s create a pattern and map a tuple’s components to it: