1. function f(num: number) {
    2.     console.log(num);
    3. }
    5. console.log(f(1))
    7. function f2(matrix: number[][], stringMatrix: string[]) {
    8.     console.log(matrix, stringMatrix)
    9. }
    11. f2([[1]], ["1"])
    13. type C = { a: string, b?: number }
    14. function f3({ a, b }: C): void {
    15.     // ...
    16. }
    18. console.log(f3)
    1. type CC = {
    2.     name: string,
    3.     age: number
    4. }
    5. const obj1: CC = {name: "lisi", age: 10}
    6. const obj2: { name: string, age: number } = {name: "lisi", age: 10}