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RandyMcMillan / game_theory_2.rs
Last active July 7, 2026 13:48 — forked from rust-play/playground.rs
game_theory_2.rs
// =========================================================================
// CORE TYPES & TRAIT
// =========================================================================
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum Move {
Cooperate,
Defect,
}
@RandyMcMillan
RandyMcMillan / game_theory.rs
Last active July 7, 2026 13:47 — forked from rust-play/playground.rs
game_theory.rs
// =========================================================================
// CORE TYPES & TRAIT
// =========================================================================
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum Move {
Cooperate,
Defect,
}
@RandyMcMillan
RandyMcMillan / prisoners_dilemma.rs
Last active July 7, 2026 13:26 — forked from rust-play/playground.rs
prisoners_dilemma.rs
use std::fmt;
/// The two possible moves a player can make in the Prisoner's Dilemma.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum Move {
Cooperate,
Defect,
}
/// Represents a game-theoretic strategy.
@RandyMcMillan
RandyMcMillan / tit_for_tat.rs
Last active July 7, 2026 12:49 — forked from rust-play/playground.rs
tit_for_tat.rs
use std::fmt;
/// The two possible moves a player can make in the Prisoner's Dilemma.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum Move {
Cooperate,
Defect,
}
/// Represents a game-theoretic strategy.
@RandyMcMillan
RandyMcMillan / mayan_cal.rs
Last active July 6, 2026 15:03 — forked from rust-play/playground.rs
mayan_cal.rs
// mayan_cal.rs
use std::fmt;
/// Mayan Long Count
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct LongCount {
pub baktun: u32,
pub katun: u32,
pub tun: u32,
pub uinal: u32,
@RandyMcMillan
RandyMcMillan / ring_buffer.rs
Last active June 20, 2026 13:25 — forked from rust-play/playground.rs
ring_buffer.rs
use crossbeam_utils::CachePadded;
use std::cell::UnsafeCell;
use std::mem::MaybeUninit;
use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::Arc;
use std::thread;
pub struct RingBuffer<T, const N: usize> {
pub head: CachePadded<AtomicUsize>,
pub tail: CachePadded<AtomicUsize>,
@RandyMcMillan
RandyMcMillan / demo_saturating_arithmetic.rs
Created June 19, 2026 17:01 — forked from rust-play/playground.rs
demo_saturating_arithmetic.rs
//! Collatz sequence analyzer demonstrating both wrapping and saturating arithmetic.
//! Context: BIP-64MOD + GCC alignment verification
use std::num::Wrapping;
/// A demo function showing how saturating arithmetic behaves at the upper limit.
/// Instead of wrapping around to 0, it caps the value safely at u64::MAX.
pub fn demo_saturating_arithmetic(n: u64) -> u64 {
// If n is close to u64::MAX, regular arithmetic would panic in debug.
// saturating_mul and saturating_add will safely clamp the value at u64::MAX.
@RandyMcMillan
RandyMcMillan / chrono_coercion.rs
Last active June 17, 2026 11:50 — forked from rust-play/playground.rs
chrono_coercion.rs
use chrono::{DateTime, Local, Duration};
use std::ops::Deref;
struct Meeting {
name: String,
start_time: DateTime<Local>,
}
impl Deref for Meeting {
type Target = DateTime<Local>;
@RandyMcMillan
RandyMcMillan / deref_coercion.rs
Last active June 17, 2026 11:33 — forked from rust-play/playground.rs
deref_coercion.rs
struct Wrapper(String);
impl std::ops::Deref for Wrapper {
type Target = String;
fn deref(&self) -> &String {
&self.0
}
}
@RandyMcMillan
RandyMcMillan / forking_lemma.rs
Last active June 13, 2026 16:16 — forked from rust-play/playground.rs
forking_lemma.rs
//! Generalizing Cryptographic Reductions and the Forking Lemma in Pure Rust.
//! This implementation relies strictly on the standard library.
use std::collections::HashMap;
use std::cell::RefCell;
// =========================================================================
// 1. Core Mathematical Abstractions (Prime Field & Mock Curve)
// =========================================================================