Quantum-LLvlN
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Quantum-LLvlN is a conceptual variant of LLvlN that introduces quantum computing features and quantum-themed instructions while keeping the original whimsical food/cooking metaphor. Quantum-LLvlN is designed as an esolang for educational or experimental purposes—not as a realistic quantum computer simulator but as a playful exploration of quantum programming principles within the LLvlN framework.
Overview
Quantum-LLvlN extends LLvlN with:
- Quantum "qubit" registers: QSOUP, QCAKE, QMEAT, QFISH
- Quantum gate instructions (QSET, QHAD, QFLIP, QCNOT, QPHASE, QROT)
- Superposition and entanglement for registers
- Quantum measurement (QMEASURE) producing classical bits
- Probabilistic control flow (QSPICE)
- Quantum stack operations (QBAKE, QCHOP)
- Classical LLvlN instructions (for mixing classical/quantum code)
The language is intended for illustrating quantum logic and probabilistic computation in a format accessible to esolang fans—not for simulating real quantum devices.
Language Specification
Quantum Registers
- QSOUP, QCAKE, QMEAT, QFISH (initialized to |0⟩)
- Each register represents a qubit
Quantum Instructions
- QSET <qreg> 0/1 — Initialize qubit to |0⟩ or |1⟩
- QHAD <qreg> — Apply Hadamard gate (put in superposition)
- QFLIP <qreg> — Apply X (NOT) gate
- QCNOT <control> <target> — Controlled-NOT entanglement
- QPHASE <qreg> <angle> — Phase shift gate
- QROT <qreg> <axis> <angle> — Arbitrary axis rotation
- QMEASURE <qreg> <reg> — Measure qubit, place result (0/1) into classical register
- QSPICE <reg> <label> — If result of QMEASURE is 1, jump to label
Quantum Stack Operations
- QBAKE <qreg> — Push qubit register onto quantum stack
- QCHOP <qreg> — Pop value from quantum stack into qubit register
Classical Integration
- All classical LLvlN instructions preserved and usable
Syntax Rules
- One instruction per line, case-insensitive, comments with #
- Qubit and classical registers are disjoint
- Classical and quantum instructions may be freely mixed (as allowed by type)
Example Programs
Bell State (Entangled Pair)
RECIPE QSET QSOUP 0 QSET QCAKE 0 QHAD QSOUP QCNOT QSOUP QCAKE QMEASURE QSOUP SOUP QMEASURE QCAKE CAKE SERVE SOUP SERVE CAKE DONE
Quantum Coin Flip
RECIPE QSET QSOUP 0 QHAD QSOUP QMEASURE QSOUP SOUP SERVE SOUP DONE
Implementation Notes
- Qubit registers store idealized quantum states; QMEASURE result is probabilistic
- Simulate amplitudes or just probabilities; no genuine quantum computation is required
- Invalid operations or multiple consecutive measurements should error or be consistent per program run
- Type safety—classical/quantum registers must not be confused
Differences from LLvlN
- Adds qubit registers and quantum gate instructions
- Probabilistic and entangling control flow
- Blends quantum and classical operations
See Also
- LLvlN — Base language
- LLvlN-FLOAT — Floating-point variant
- LLvlN++ — Procedural/modern variant
- Quipper — Quantum esolang
- Q♯ — Mainstream quantum programming language
Variants
- LLvlN-FLOAT
- LLvlN++