// A raw value, represented as a function
var value = function(val){
  return function(){
    return val;
  }
}

// A function to add two functions together
var add = function(x, y){
  return function(){
   return x() + y();
  }
}

// A function to subtract one function from another
var subtract = function(x, y){
  return function(){
    return x() - y();
  }
}

// A function to multiply two functions
var multiply = function(x, y){
  return function(){
    return x() * y();
  }
}

const translations = {
  en: {
      en: 'English',
      ru: 'Russian',
      MESSAGE: 'Message'
...
  ru: {MESSAGE: 'Сообщение'}
}
export default function (langKey) {
  return function(str) {
    return translations[langKey][str] || str;
  };
};

    
import i18nWrapper from '../translations';
var l8n = i18nWrapper(this.state.langKey);
l8n('MESSAGE')