Course of Raku / Regexes and grammars / Grammars / Action classes / Exercises

A multiply action

Problem

Write a grammar that parses two numbers joined by a *, as in '6*7'. Write a separate action class with a method per token: a and b each make their value as an integer, and TOP makes the product by reading what a and b made (with .made). Parse '6*7' with the action class and print .made.

Example

The program prints:

42

Solution

✅ See the solution

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