Redefine Symbol

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Redefine Symbol is an esolang by User:ChuckEsoteric08 inspired by Emmental.


\ is an escape symbol for push command.

Command Function
[abc] Push string abc to the stack.
% Swap top elements
" Duplicate top element
$ Pop top element and discard it
. Replace top element with last element popped.
= Pop two elements, a and b. Then redifine symbol a as Redefine Symbol program b. If interpreter will reach symbol a then it would replace that symbol with program b.
+ Pop two elements, a and b. Then push ab.
; Output top element.
? Push user input.

Computational class

This program is Underload interpreter, proving that Redefine Sumbol is Turing-complete