In the previous chapters, we discussed some examples interleaved with the Raku mechanics that make them work. Here I want to summarize and deepen the Raku knowledge that we’ve touched on so far, removed from the original examples.
8.1 Variables and Scoping
In Raku, variable names are made of a sigil, $, @, %, or &, followed by an identifier. The sigil implies a type constraint, where $ is the most general one (no restriction by default), @ is for arrays, % is for hashes (associative arrays/maps), and & is for code objects.
Identifiers can contain - and ' characters, as long as the character after ...
