quisido

addSubtract(1)(2)(3);          // 1 + 2 - 3             = 0
addSubtract(1)(2)(3)(4)(5)(6); // 1 + 2 - 3 + 4 - 5 + 6 = 5

quisido

setGlobal({ count: 0 });

function reducer(state, action) {
  switch (action.type) {
    case 'reset':
      return { count: 0 };
    case 'increment':
      return { count: state.count + 1 };
    case 'decrement':
      return { count: state.count - 1 };

quisido

const initialState = { count: 0 };

function reducer(state, action) {
  switch (action.type) {
    case 'reset':
      return initialState;
    case 'increment':
      return { count: state.count + 1 };
    case 'decrement':
      return { count: state.count - 1 };

quisido

const MyComponent = () => {
  const [ global, setGlobal ] = useGlobal();
  if (global.x) {
    return global.x;
  }
  return global.y;
};

quisido

const MyComponent = () => {
  const [ global, setGlobal ] = useGlobal();
  return (
    <img
      alt="Avatar"
      onClick={() => {
        const newAvatar = prompt("Enter your avatar URL:");
        setGlobal({
          avatar: newAvatar
        });

quisido

import { useGlobal } from 'reactn';

const MyComponent = () => {
  const [ avatar, setAvatar ] = useGlobal('avatar');
  return (
    <img
      alt="Avatar"
      onClick={() => {
        const newAvatar = prompt("Enter your avatar URL:");
        setAvatar(newAvatar);

quisido

import { setGlobal } from 'reactn';

setGlobal({
  avatar: 'anonymous.png'
});

quisido

import { useState } from 'react';

const MyComponent = () => {
  const [ avatar, setAvatar ] = useState('anonymous.png');
  return (
    <img
      alt="Avatar"
      onClick={() => {
        const newAvatar = prompt("Enter your avatar URL:");
        setAvatar(newAvatar);

quisido

const [ value, setValue ] = useState(DEFAULT_VALUE);

quisido

const quickSort = (
  unsortedArray,
  comparator = defaultComparator
) => {

  // Create a sortable array to return.
  const sortedArray = [ ...unsortedArray ];

  // Recursively sort sub-arrays.
  const recursiveSort = (start, end) => {