`(dup *) square define` -> Undefined symbol 'square'

[enthus1ast]

at https://min-lang.org/learn-operators/

z@z ~/min> ./min -i
[/home/z/min]$ 1
{1} -> 1
[/home/z/min]$ 2
{2} -> 2
[/home/z/min]$ (dup *) square define
(!) <repl>(1,14) [square]: Undefined symbol 'square'
    <repl>(1,14) in symbol: square
[/home/z/min]$ 

[enthus1ast]

(dup *) 'square define ?

[h3rald]

Yep... right, any of the following:

(dup *) 'square define

or

(dup *) "square" define

...of course probably once you get the hang of sigils you'd probably go for just:

(dup *) :square

I'll fix it right now, thanks for spotting this!