^@ ┬ '/0:<=>?AEIOU\aeiotu÷←↑→↓∆∇∘∧∨≠⋄○␠
   └ ⍞⍁°⍠⍃⌸⍄⍰ÂÊÎÔÛ⍂âêîô␉û⌹⍇⍐⍈⍗⍍⍔⌻⍓⍌⍯⌺⌼^
¨@ ┬ .8>AEIOU_aceimoprsu|~∇∘⊤○␠
   └ ∵∞⍩ÄËÏÖÜ…ä©ëïµö¶®§ü¦⍨⍢⍤⍡⍥¨
~@ ┬ !#0123=@ADELNYacdn|~¨←↑→↓∇∊∧∨≠␠
   └ ¼¾⍬¹²³≈½ÃЀ£Ñ¥ã¢ðñ⍭≈⍨⍅⍏⍆⍖⍫∉⍲⍱≉~
_@ ┬ %'+,-/;<=>?\_abcdefghijklmnopqrstuvwxyz∆∊∘∙≠⊂⊃⊤⊥⋄⍳⍵⍺○␠
   └ ‰⍘±⍪–⌿⍮≤≡≥‽⍀—ⒶⒷⒸⒹⒺⒻⒼⒽⒾⒿⓀⓁⓂⓃⓄⓅⓆⓇⓈⓉⓊⓋⓌⓍⓎⓏ⍙⍷⍛⊙≢⊆⊇⍑⍊⍚⍸⍹⍶⍜_
´@ ┬ <ACEIOUYaceiopsu␠
   └ «ÁÇÉÍÓÚÝáçéíóþßú´
`@ ┬ >AEIOUaeiou~␠
   └ »ÀÈÌÒÙàèìòù¬`

^@ ┬← '/0:<=>?AEIOU\aeiotu÷←↑→↓∆∇∘∧∨≠⋄○␠
   └→ ⍞⍁°⍠⍃⌸⍄⍰ÂÊÎÔÛ⍂âêîô␉û⌹⍇⍐⍈⍗⍍⍔⌻⍓⍌⍯⌺⌼^
¨@ ┬← .8>AEIOU_aceimoprsu|~∇∘⊤○␠
   └→ ∵∞⍩ÄËÏÖÜ…ä©ëïµö¶®§ü¦⍨⍢⍤⍡⍥¨
~@ ┬← !#0123=@ADELNYacdn|~¨←↑→↓∇∊∧∨≠␠
   └→ ¼¾⍬¹²³≈½ÃЀ£Ñ¥ã¢ðñ⍭≈⍨⍅⍏⍆⍖⍫∉⍲⍱≉~
_@ ┬← %'+,-/;<=>?\_abcdefghijklmnopqrstuvwxyz∆∊∘∙≠⊂⊃⊤⊥⋄⍳⍵⍺○␠
   └→ ‰⍘±⍪–⌿⍮≤≡≥‽⍀—ⒶⒷⒸⒹⒺⒻⒼⒽⒾⒿⓀⓁⓂⓃⓄⓅⓆⓇⓈⓉⓊⓋⓌⓍⓎⓏ⍙⍷⍛⊙≢⊆⊇⍑⍊⍚⍸⍹⍶⍜_
´@ ┬← <ACEIOUYaceiopsu␠
   └→ «ÁÇÉÍÓÚÝáçéíóþßú´
`@ ┬← >AEIOUaeiou~␠
   └→ »ÀÈÌÒÙàèìòù¬`

┌ ~@
└──>

┌^@
└──

│^@│'/0:<=>?AEIOU\aeiotu÷←↑→↓∆∇∘∧∨≠⋄○␠
│  │⍞⍁°⍠⍃⌸⍄⍰ÂÊÎÔÛ⍂âêîô␉û⌹⍇⍐⍈⍗⍍⍔⌻⍓⍌⍯⌺⌼^
│¨@│.8>AEIOU_aceimoprsu|~∇∘⊤○␠
│  │∵∞⍩ÄËÏÖÜ…ä©ëïµö¶®§ü¦⍨⍢⍤⍡⍥¨

SyntaxError: (irb):1: Can't assign to nil

rb(main):001:0> class NilClass
irb(main):002:1> def wat
irb(main):003:2> return "wat"
irb(main):004:2> end
irb(main):005:1> end
=> :wat
irb(main):006:0> (a=a).wat
=> "wat"

 ~  irb
irb(main):001:0> class NilClass
irb(main):002:1> end
=> nil
irb(main):003:0> def f
irb(main):004:1> end
=> :f
irb(main):005:0> f
=> nil
irb(main):006:0>

(struct A)* psa = &a;