I don't know if @hillelwayne is watching ... but the raku docs do explain how to use a Grammar to write a calculator https://docs.raku.org/syntax/Creating%20gra

I don't know if @hillelwayne is watching ... but the raku docs do explain how to use a Grammar to write a calculator https://docs.raku.org/syntax/Creating%20grammars https://docs.raku.org/syntax/Creating%20grammars