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Arrow functions


            /**
            * Arrow function básica
            */
           
           const helloWorld1 = function () {
               return 'Hello World';
           };
           
           const helloWorld2 = () => {
               return 'Hello World';
           };
           
           const helloWorld3 = () => 'Hello World';
           
           console.log(helloWorld1());
           console.log(helloWorld2());
           console.log(helloWorld3());
           
           const soma = (a, b) => a + b;
           
           console.log(soma(4, 6));
           
           const valor = (a) => a;
           
           console.log(valor(4));
           
           /**
            * Hoisting com funções literais e arrow function
            */
           
           console.log(somaLiteralFunction(4, 2));
           
           function somaLiteralFunction(a, b) {
               return a + b;
           }
           
           // console.log(somaArrowFunction(4, 2));
           
           const somaArrowFunction = (a, b) => a + b;
           
           console.log(somaArrowFunction(4, 2));