xah talk show 2019-05-10 mouse, spin wheel, linux, closure, perl, lisp.

xah talk show 2019-05-10 mouse, spin wheel, linux, closure, perl, lisp.
perl closure 2019-05-10 wyxyx
perl official doc on what is closure. [source https://perldoc.perl.org/perlfaq7.html]

If you have a question, put $5 at patreon and message me.