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Quantum Nothing
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This is an esolang created by islptng.
Quantum Something
Every program with non-digit characters is invalid. It runs the following code, which raises a Syntax Error:
+++++++++[->+++++++++<]>++.<++++++[->++++++<]>++.<+++[->---<]>--.++++++.<++++[->----<]>---.<++++[->++++<]>+++++++.<+++++++++[->---------<]>-------.<++++++[->++++++<]>+.<++++++[->++++++<]>+++++++++..---.+++.<
Otherwise, For every valid Brainfuck program of the given length, execute it once.
For length 1, 6: + - < > , . For length 2, 37: ++ -- +- -+ << >> <> >< ,, .. ., ,. +> +< -> -< >+ >- <+ <- ,+ ,- ,> ,< .+ .- .> .< +, -, >, <, +. -. >. <. [] etc.
Quantum Nothing
Every program that has 1 byte or more executes this Quantum Something code:
a
Otherwise, for every valid Quantum Something code, execute it.