@RandyMcMillan RandyMcMillan

🛰️

Those who know - do not speak of it.

Operations Specialist @usnavy E616FA7221A1613E5B99206297966C06 BB06757B

RandyMcMillan / get_library_reports.rs

Last active January 25, 2026 18:41 — forked from rust-play/playground.rs

get_library_reports.rs

RandyMcMillan / verify_libraries.rs

Last active January 25, 2026 18:14 — forked from rust-play/playground.rs

verify_libraries.rs

	/// This macro takes a list of crate names and "touches" them
	/// by referencing their absolute path. If the crate is missing,
	/// the code will fail to compile.
	macro_rules! verify_libraries {
	($($lib:ident),*) => {
	println!("--- Verifying Library Linkage ---");
	$(
	// We use a statement that references the crate without side effects
	let _ = stringify!($lib);
	println!("✅ [{}] is linked and accessible.", stringify!($lib));

RandyMcMillan / myip.rs

Last active January 26, 2026 05:15 — forked from rust-play/playground.rs

myip.rs

	use anyhow::{anyhow, Result};
	use serde::Deserialize;
	use async_trait::async_trait; // Using async-trait from your list

	#[derive(Debug, Deserialize, Clone)]
	struct SimpleIpResponse {
	ip: String,
	}

	// 1. Define a trait for the fetching logic

RandyMcMillan / tesseract.rs

Last active January 24, 2026 18:29 — forked from rust-play/playground.rs

tesseract.rs

RandyMcMillan / logic_gates.rs

Last active January 20, 2026 12:09 — forked from rust-play/playground.rs

logic_gates.rs

	/// A collection of digital logic gate algorithms.
	struct LogicGates;

	impl LogicGates {
	/// NOT gate: The output is the opposite of the input.
	fn not(a: u8) -> u8 {
	match a {
	0 => 1,
	_ => 0,
	}

RandyMcMillan / varint_bitcoin.rs

Last active January 18, 2026 14:22 — forked from rust-play/playground.rs

varint_bitcoin.rs

	/// A verbose example of Bitcoin's two variable integer types.
	fn main() {
	let value: u64 = 515;

	// 1. CompactSize (Little-Endian) - Used in P2P/Transactions
	let compact = encode_compact_size(value);
	println!("Value: {}", value);
	println!("CompactSize (LE-based) hex: {:02x?}", compact);

	// 2. VarInt (Base-128 Big-Endian) - Used in LevelDB/Disk

RandyMcMillan / shannon_entropy.rs

Last active January 13, 2026 02:45 — forked from rust-play/playground.rs

shannon_entropy.rs

	use std::collections::HashMap;

	/// Calculates Shannon Entropy for a slice of data.
	/// H = -sum(p(x) * log2(p(x)))
	fn calculate_entropy(data: &[&str]) -> f64 {
	let len = data.len() as f64;
	if len == 0.0 {
	return 0.0;
	}

RandyMcMillan / rose_curves.rs

Last active January 10, 2026 15:59 — forked from rust-play/playground.rs

rose_curves.rs

	use image::{ImageBuffer, Rgb};
	use std::f64::consts::PI;

	fn main() {
	let grid_size = 11;
	let cell_size = 200;
	let padding = 20;
	let width = grid_size * cell_size;
	let height = grid_size * cell_size;

RandyMcMillan / guassian_pi_approx.rs

Last active January 8, 2026 15:25 — forked from rust-play/playground.rs

guassian_pi_approx.rs

	use approx::assert_relative_eq;

	fn gaussian_integral_approximation(start: f64, end: f64, steps: usize) -> f64 {
	let dx = (end - start) / steps as f64;
	let f = \|x: f64\| (-x.powi(2)).exp();

	let mut sum = (f(start) + f(end)) * 0.5;

	for i in 1..steps {
	let x = start + (i as f64 * dx);

RandyMcMillan / async_trait_json.rs

Last active December 21, 2025 12:57 — forked from rust-play/playground.rs

async_trait_json.rs

	use async_trait::async_trait;
	use serde::{Deserialize, Serialize};
	use thiserror::Error;
	use anyhow::{Context, Result};
	use std::time::Duration;
	use tokio::task::JoinSet;
	use std::sync::Arc;

	// --- 1. Error Definitions ---