esco

System Prompt: Architectural Principles to Code By

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Core Principles

1. Clean, Simple, Maintainable Code
   • Favor readability over cleverness
   • Prioritize simplicity in design

• Write code that future developers can easily understand

esco

Card Effect System Documentation

1. Introduction

This document describes the architecture and workflow of the card effect system within the Yu-Gi-Oh! Web Duel Interface. The system is responsible for handling the activation, chaining, and resolution of card effects according to Yu-Gi-Oh! rules. It integrates declarative effect definitions (partially implemented via YAML/JSON) with the core game engine logic.

The system aims to manage:

• Activation: Determining when and if a card effect can be activated.
• Chaining: Building a sequence of effects when multiple effects are activated in response to each other.
• Resolution: Executing the effects in the correct (Last-In, First-Out) order.

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// https://leetcode.com/problems/valid-parentheses/solution/

/**
 * @param {string} s
 * @return {boolean}
 */
function isValid(s) {
    const stack = []
    const open = {
        "(": true,

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function SequencePool(start=0, _next=(num)=>num+1) {
    let pool = [start]
    
    function next() {
        let item = pool.pop()
        if (!pool.length) {
            pool.push(_next(item))
        }
        return item
    }

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function createStore(reducer, preloadedState) {
  let state = preloadedState
  const idPool = [0]
  const listeners = new Map()

  function getState() {
    return state
  }

  function subscribe(listener) {

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function backspaceCompare(S, T) {
    const s = evaluate(S)
    const t = evaluate(T)
    return s === t
};

function evaluate(str) {
    const output = []
    for (const char of str) {
        if (char !== '#') {

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Challenge

https://leetcode.com/explore/featured/card/30-day-leetcoding-challenge/

Question

https://leetcode.com/problems/single-number/

Solution

/**

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Keybase proof

I hereby claim:

• I am esco on github.
• I am esco (https://keybase.io/esco) on keybase.
• I have a public key ASBUFgepSRzEr-xiHms-JaDghmonHJbBE8ZwvrsQZ4bUlgo

To claim this, I am signing this object:

esco

0xe757E4deFDC56De8ab339fD912b16711C1B5380D

esco

player1 deck - d1
player2 deck - d2

d1_e == e(ki, d1)
d2_e == e(ki, d2)

p1 <-- d1, d2_e
p2 <-- d2, d1_e

seed - s