diegogriep

interface DefaultResponse<T> {
  code: number;
  content: T;
  timestamp: string;
  valid: boolean;
}

interface Driver {
  id: number;
  name: string;

diegogriep

interface DriverF1 {
  firstName: string;
  lastName: string;
}

const newDriverF1 = <T extends DriverF1>(obj: T) => {
  return {
    ...obj,
    fullName: `${obj.firstName} ${obj.lastName}`
  }

diegogriep

interface DriverF1 {
  firstName: string;
  lastName: string;
}

const newDriverF1 = (obj: DriverF1) => {
  return {
    ...obj,
    fullName: `${obj.firstName} ${obj.lastName}`
  }

diegogriep

const createArray = <A, B = number>(a: A, b: B) => {
  return [a, b];
}

let otherArray = createArray<string | null>("Junho", 6);

diegogriep

let showArrayWithNumberNBoolean = createArray<string, boolean | null>('Brasil', 2020);
//Argument of type '2020' is not assignable to parameter of type 'boolean'

diegogriep

const createArray = <A, B>(a: A, b: B) => {
  return [a, b];
}
let showArray = createArray('Brasil', 2020);

diegogriep

function returnLastOne<T>(param: Array<T>): T {
  return param.pop();
}
  
//ou

function returnLastOne<T>(param: T[]) { //implícito retorna tipo T
  return param.pop();
}
  

diegogriep

function returnTheSameArguments<T>(param: T): T {
  return param;
}
let showMessage = returnTheSameArguments("Qual conhecimento você compartilhou hoje?");

diegogriep

function returnTheSameArguments(arg: number): number {
  return arg;
}

diegogriep

function ruleOfThree (had, got, have) {
  return have * got / had;
}