Joshua questions

Joshua answers

• Undef value assigned to variable.
• perl6: Array; get rid of empty slot (Any)
• How do I “flatten” a list of lists in perl 6?
• Customizing zsh auto complete
• Is there a 'clamp' method/sub for ranges/Num etc in Raku (i.e. Perl6)?
• Can `goto LABEL` cause a memory leak?