Interpreter design pattern
Now we are going to dig into a quite complex pattern. The Interpreter pattern is, in fact, widely used to solve business cases where it's useful to have a language to perform common operations. Let's see what we mean by language.
Description
The most famous interpreter we can talk about is probably SQL. It's defined as a special-purpose programming language for managing data held in relational databases. SQL is quite complex and big but, all in all, is a set of words and operators that allow us to perform operations such as insert, select, or delete.
Another typical example is musical notation. It's a language itself and the interpreter is the musician who knows the connection between a note and its representation on the ...
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