RandyMcMillan

#![no_std]

// Conditionally link `std` when compiling an executable target (non-test binary)
#[cfg(not(test))]
extern crate std;

/// A lightweight, fast, `#![no_std]` Pseudo-Random Number Generator (PRNG)
/// based on the Xoroshiro128++ algorithm.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Xoroshiro128PlusPlus {

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#[allow(unused_imports)]
use sha2::{Digest, Sha256};
#[allow(unused_imports)]
use std::time::Instant;

// ============================================================================
// Cross-Platform Hardware CPU Tick Counter
// ============================================================================

/// Reads the low-level CPU tick counter across x86/x86_64, AArch64, and RISC-V.

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/// Solves the 0/1 Knapsack problem using Dynamic Programming.
///
/// # Arguments
/// * `max_weight` - The maximum weight capacity of the knapsack.
/// * `weights` - A slice containing the weights of the available items.
/// * `values` - A slice containing the values of the available items.
///
/// # Returns
/// The maximum value that can be accommodated within the given capacity.
pub fn knapsack(max_weight: usize, weights: &[usize], values: &[usize]) -> usize {

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use std::time::{SystemTime, UNIX_EPOCH};

/// Simple Xorshift PRNG to maintain a 0-dependency standard library build.
struct Prng {
    state: u32,
}

impl Prng {
    fn new() -> Self {
        let nanos = SystemTime::now()

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// ==========================================
// INCORRECT: Dyn-Incompatible Trait
// ==========================================
// Uncommenting this will cause a compilation error:
// "the trait `Processor` cannot be made into an object"
/*
trait Processor {
    // Error 1: Uses `Self` in return position
    fn duplicate(&self) -> Self;

RandyMcMillan

README.md

RandyMcMillan

#!/usr/bin/env bash
set -euo pipefail

INSTALL_DIR="/usr/local/bin"
SCRIPT_NAME="git-clone-gists"
CLONE_DIR="${CLONE_DIR:-gists}"

show_usage() {
  cat <<EOF
Usage: $0 [install|uninstall|--help] [--force] [--user USERNAME] [filters] [github-token]

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#![allow(deprecated)]
//#![feature(cfg_select, assert_matches)]

use std::assert_matches;

use rand_0_8_6::{thread_rng as rng_legacy, Rng as RngLegacy};
use rand_0_9_4::{thread_rng as rng_latest, Rng as RngLatest};
use num_bigint::BigUint;
use chrono::Local;

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//// Coltrane's Circle of Tones
// Written using only the Rust Standard Library.

use std::fmt;

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum Note {
    C, Db, D, Eb, E, F, Gb, G, Ab, A, Bb, B,
}

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Cargo.lock