Sugar High

use std::fmt::Display;/// Build a short Cartesian label for two displayable values.pub fn label<T: Display>(x: T, y: T) -> String {    // format pair    format!("({}, {})", x, y)}pub fn labels<I, T>(pairs: I) -> Vec<String>where    I: IntoIterator<Item = (T, T)>,    T: Display,{    pairs.into_iter().map(|(a, b)| label(a, b)).collect()}fn main() {    let pts = vec![(1u32, 2u32), (3, 4)];    for line in labels(pts) {        println!("point {line}");    }    println!("{}", label("x", "y"));}

def greet(names):    # one name per line    for n in names:        print("hello, " + n)def shout(msg: str, times: int = 2) -> None:    """Uppercase a message a few times."""    for _ in range(max(1, times)):        print(msg.upper())def chunk(items, size):    # simple batches for display    for i in range(0, len(items), size):        yield items[i : i + size]if __name__ == "__main__":    greet(["ada", "linus"])    shout("sugar-high")    print(list(chunk([1, 2, 3, 4, 5], 2)))

:root {  --accent: #2d5e9d;  --surface: #f6f8fa;  --text: #24292f;  --radius: 8px;}*,*::before,*::after {  box-sizing: border-box;}body {  margin: 0;  font-family: system-ui, sans-serif;  color: var(--text);  background: var(--surface);}@media (prefers-color-scheme: dark) {  :root {    --surface: hsl(220 14% 12%);    --text: #e6edf3;  }  .card {    background: color-mix(in srgb, var(--surface) 92%, #000);    border: 1px solid rgb(255 255 255 / 8%);  }}/* motion */@keyframes fade-in {  from {    opacity: 0;    transform: translateY(4px);  }  to {    opacity: 1;    transform: translateY(0);  }}.stack-item:focus-visible {  outline: 2px solid var(--accent);  outline-offset: 2px;}

export const matchBoundary = (s) => /^[/][\w-]+[/]$/u.test(s)// Slashes in comments are not regex delimiters// path: /usr/local/bin/** @see https://example.com/docs/foo/bar */const afterBlock = /foo/g.exec('foo')?.[0]// Regex vs division (tokenizer stress test)const mixed = 12 / /\d+/.test('3') ? 1 : 0const expr = 100 - /50/.test('5') + 25const flags = ['g', 'i', 'm'].filter(Boolean).join('')const re = new RegExp('\\d+', flags)export function pickDelim(str) {  const i = str.indexOf('/')  return i < 0 ? str : str.slice(0, i) + str.slice(i + 1)}// trailing note: / is both operator and literal starterconsole.log(mixed, expr, re.test('99'))

type Point = { readonly x: number; y: number }interface Cluster {  center: Point  members: ReadonlyArray<Point>}export const origin = { x: 0, y: 0 } as const satisfies Pointexport function distance(a: Point, b: Point): number {  return Math.hypot(a.x - b.x, a.y - b.y)}export function nearest<T extends Point>(  items: readonly T[],  ref: Point): T | undefined {  return items.reduce<T | undefined>((best, item) => {    if (!best) return item    const db = distance(best, ref)    const di = distance(item, ref)    return di < db ? item : best  }, undefined)}export function bbox(points: readonly Point[]) {  if (!points.length) return null  let minX = Infinity  let minY = Infinity  let maxX = -Infinity  let maxY = -Infinity  for (const p of points) {    minX = Math.min(minX, p.x)    minY = Math.min(minY, p.y)    maxX = Math.max(maxX, p.x)    maxY = Math.max(maxY, p.y)  }  return { minX, minY, maxX, maxY }}