javarouka

function forFn(n) {
    if(n === 0) return 1;
    var a = 1;
    for(var i = 0; i<n; i++) a = a * 2
    return a
}

function recursiveFn(n, m) {
    if(!m) return factRecursive(n, 1)
    if(n === 0) return m;

javarouka

fun fiboRecursive(v:Int): Int =
    if(v <= 2) 1
    else fiboRecursive(v-1) + fiboRecursive(v-2)

fun fiboLoop(v:Int): Int {
    if(v <= 2) return 1
    var result = 0
    var prev1 = 1
    var prev2 = 1

javarouka

// Java
interface Source<T> {
  T next();
}

void demo(Source<String> strs) {
  Source<? extends Object> objects = strs;
}

// @Kotlin

javarouka

import java.util.ArrayList;
import java.util.List;

public class Test {

    static class Creature {}
    static class Animal extends Creature {}
    static class Person extends Animal {}
    static class Singer extends Person {}
    static class GirlGroup extends Singer {}

javarouka

package io.javarouka.gist.pattern;

import lombok.extern.slf4j.Slf4j;

@Slf4j
public class SingletonLayholder {

    static {
        log.debug("SingletonLayholder initialized");
    }

javarouka

/*eslint no-console:0 */
import React from 'react';

const DEFAULT_STYLE = 'font-weight:bold; color:';
const PREV_STATE_STYLE = `${DEFAULT_STYLE}gray`;
const ACTION_STYLE = `${DEFAULT_STYLE}blue`;
const NEXT_STATE_STYLE = `${DEFAULT_STYLE}green`;

const showLog = (message, params, styles) => console.log(`%c${message}`, styles, params);

javarouka

class SomeContainer extends Component {

    state = { value: '' };

    changeText = (e) => this.setState({
        value: e.target.value
    });

    componentDidMount() {
        this.props.findOrder({ orderId: 100012134 });

javarouka

const Test = (_ => {
  const weakMap = new WeakMap();
  return class {
    constructor() {
        weakMap.set(this, _=> console.log('test'))
    }
    doMethod() { 
      weakMap.get(this)(); 
    }
  };

javarouka

class Diff extends React.Component {

    constructor(props) {
        super(props);
        this.name = "HaHa!"
    }

    handleArrow = () => {
        console.log(this.name);
    };

javarouka

import { injectReducer } from 'store/createRootReducer'

const appendReducer = (store, key, reducerModule) => {
    const reducer = reducerModule.default || reducerModule;
    injectReducer(store, { key, reducer });
};

// TODO: 계층형 라우팅 추가 필요
export const routes = [
    {